The original treaty has vanished: the famous three-way map of Europe is reconstructed from a few terse chroniclers, and even the date is only probable.
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At Verdun in August 843, the three surviving sons of Louis the Pious — Lothair I, Louis the German and Charles the Bald — concluded a peace and repartitioned the Frankish realm. Louis and Charles allied against Lothair's bid for a dominant imperial position, fought him at Fontenoy in 841, and then negotiated through representatives; 120 commissioners were appointed during the preliminary partition talks.
The date commemorated for centuries as 10 August is only probable: the surviving ninth-century accounts say merely “in August.”
Three shares
Louis received the eastern portion — broadly the lands beyond the Rhine, plus Speyer, Worms and Mainz with their districts on the river's western side. Lothair kept the imperial title and the middle territory, running from the North Sea through the region between the Scheldt and Rhine and south through Burgundy and Provence into Italy, a narrow realm containing both Aachen and Rome.
Charles received the remaining western lands extending toward Spain, including Aquitaine — despite the continuing rival claim of his nephew Pepin II, whom the contemporary-derived account treats as an opponent rather than an installed subordinate king.
What the settlement did not do
The brothers exchanged oaths and departed for their respective dominions. Lothair's imperial title survived, but the settlement records no practical superiority over his brothers.
Modern labels such as East, West and Middle Francia are useful shorthand, and the treaty should not be presented as deliberately creating the modern states of Germany, France and Italy — the specialist Jean-Marie Moeglin notes that contemporaries apparently regarded its clauses as provisional.
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Date disputed. Sources disagree; the research places it at ~0843-08-10.
What the sources leave uncertain
The original treaty document is lost. Its provisions are reconstructed chiefly from brief contemporary annalistic accounts. Source: https://perspectivia.net/servlets/MCRFileNodeServlet/pnet_derivate_00007813/moeglin_verdun.pdf
Recent specialist Jean-Marie Moeglin dates the peace “probably” to 10 August 843; contemporary accounts securely give Verdun and August but not an indisputable day. Source: https://perspectivia.net/servlets/MCRFileNodeServlet/pnet_derivate_00007813/moeglin_verdun.pdf
Modern labels such as East Francia, West Francia and Middle Francia are useful shorthand, but the treaty should not be presented as deliberately creating the modern nation-states of Germany, France and Italy. Source: https://perspectivia.net/servlets/MCRFileNodeServlet/pnet_derivate_00007813/moeglin_verdun.pdf
No one signed anything: an official pressed John's double-sided seal into stiffened beeswax and resin — and the rebels stayed outside his allegiance for four more days.
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15 June 1215: a meadow between Windsor and Staines
Rebel barons had renounced allegiance to King John and captured London, compelling negotiations over grievances arising from his government. The two sides bargained from tents pitched in the water-meadow at Runnymede, and after five days of intensive negotiation and revision of the barons' earlier Articles, John engrossed, sealed and issued the charter later called Magna Carta on 15 June 1215.
John did not sign it. Neither he nor the witnesses signed anything; a royal official authenticated copies with his Great Seal.
What the charter granted
John granted specified liberties to the English Church and to the “free men” of his kingdom, restricted particular feudal payments and royal practices, and promised that free men would not be punished except by lawful judgment of their peers or the law of the land.
It also created an enforcement mechanism against the king himself: a committee of 25 barons authorised to seize his castles, lands and possessions if he failed to remedy a breach after notice.
Peace, four days later
The seal did not end the conflict. Armed negotiation continued until 19 June, when the barons renewed homage, John proclaimed peace restored, and royal officials were ordered to enforce the charter and arrange oaths to the 25 guarantors.
Two readings should be resisted. The charter addressed “free men,” not all inhabitants of England, and many of its provisions dealt with baronial, ecclesiastical and feudal concerns; and reading “judgment of his peers” as a guarantee of modern jury trial is anachronistic.
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What the sources leave uncertain
Some older scholarship shifted the effective date toward 19 June because that was when homage and peace were completed. The charter’s own dating clause and the Magna Carta Project support 15 June as its issue date. Source: https://magnacarta.cmp.uea.ac.uk/read/itinerary/Magna_Carta_and_Peace
The exact physical spot within the broad Runnymede meadow is not established by the charter. Source: https://www.nationalarchives.gov.uk/education/resources/magna-carta/british-library-magna-carta-1215-runnymede/
A scout boat's candle went out inside the unfamiliar harbour, leaving the ships hunting for its light in the dark — and Columbus spent the whole night offshore.
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A northeasterly wind kept Columbus from pursuing another reported island and carried his fleet away from Cuba. Leaving on 5 December 1492, the expedition sighted a very large island to the southeast; the Indigenous people carried aboard called it Bohío.
Columbus changed course toward it, making 88 miles — 22 leagues in the journal's reckoning — by sunset, and ordered the faster Niña ahead to scout a harbour before dark.
A night spent offshore
A boat went in to take soundings, but its candle went out. The Niña sailed toward a replacement light while Columbus's flagship stayed outside, tacking through the night.
The ships entered the harbour only the following afternoon, 6 December, and Columbus named it Puerto de San Nicolás, on the northwestern coast of present-day Haiti.
Not a landing, and not a discovery
The listed claim that Columbus set foot on the island on 5 December does not survive the journal, which leaves him offshore all night. Nor was La Navidad founded that day; it was built later in December from the wreckage of the Santa María.
The island was already populated and connected to other Caribbean societies — fires were visible at night and columns of smoke by day.
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The date is secure for the sighting and approach, but not for the listed claim of setting foot ashore. The journal explicitly leaves Columbus offshore on the night of 5 December.
The original shipboard journal is lost. The surviving Diario is Bartolomé de las Casas's later abstract and transcription, which alternates between paraphrase and passages presented as Columbus's own words.
The name Bohío may have been used by Columbus's Indigenous informants in a broader or differently understood sense; the identification with Hispaniola comes from the voyage's route.
Babur wrote that Lodi's packed wings could neither advance nor force open a route of escape — and by the afternoon prayer the sultan's severed head had been brought to him.
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After seven or eight days facing Babur's fortified position, and an unsuccessful Mughal night attack, Ibrahim Lodi's troops advanced in battle formation shortly after daybreak. Babur's memoir dates the day to Friday, 8 Rajab 932 — rendered as 20 April 1526 in Annette Beveridge's scholarly edition, though the Haryana government and many modern histories use 21 April.
Babur had prepared the ground with 700 carts gathered into his defences, and he placed a librarian, Abd Allah, among the commanders in the centre of his line.
Half a day
His flanking cavalry wheeled around Lodi's army while Ustad Ali Quli and Mustafa fired artillery from the centre. The fighting ran from morning until shortly after noon, when Lodi's army collapsed and Babur's troops pursued the fugitives.
Babur's own immediate estimate put 15,000–16,000 of Lodi's men dead across the field, 5,000–6,000 of them concentrated near Ibrahim; he separately recorded a much higher hearsay figure of 40,000–50,000. Ibrahim Lodi was found dead among the fallen, and his severed head was brought to Babur around the time of the afternoon prayer.
What one afternoon did not settle
Babur did not enter Delhi that day. He sent Humayun toward Agra and another detachment toward Delhi to secure the cities and their treasuries; Delhi was occupied within days, and the Friday sermon was read in his name on 27 April.
The battle began Mughal control at Delhi, but Babur still faced major Rajput and Afghan resistance. The familiar detail of cannon fire panicking Lodi's elephants is absent from his own battle account, which emphasises encirclement, arrows, artillery and an enemy unable to manoeuvre.
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Date disputed. Sources disagree; the research places it at 1526-04-20.
What the sources leave uncertain
The date is genuinely inconsistent in modern references. The Baburnama's 8 Rajab 932 is rendered as 20 April 1526 by Beveridge, Encyclopaedia Iranica and the Encyclopaedia of Islam, while the Haryana government and many modern histories use 21 April. The scholarly 20 April conversion is used here, with disputed confidence.
Army and casualty figures come primarily from Babur, an interested participant. His own immediate casualty estimate and the much higher figure he later heard should not be merged into a single precise total.
The exact number of Babur's cannon is not stated in his battle narrative.
An unsigned preface told readers not to treat the book's central model as true — and Copernicus, if the traditional account holds, received his copy only when illness had taken away any chance to object.
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Nicolaus Copernicus died on 24 May 1543 at Frombork, as printing of De revolutionibus orbium coelestium was completed in Nuremberg. The Stanford Encyclopedia of Philosophy states that he held a finished copy of the work on his deathbed that day.
More cautious accounts describe the deathbed presentation as a popular and possibly apocryphal story. The surviving accounts also disagree about what arrived — a bound book, final printed pages or proofs — and the evidence does not establish that Copernicus consciously read or understood the volume.
The preface Copernicus never approved
The book appeared with an anonymous preface added by Andreas Osiander, who supervised the final stage of printing after Georg Joachim Rheticus — the publication organizer who had persuaded Copernicus to publish and carried the manuscript to Johann Petreius's press — left Nuremberg.
That preface presented the astronomical system as a calculating hypothesis rather than a true physical description, a position that contradicted the body of Copernicus's work. His friend the bishop Tiedemann Giese later protested the unauthorized addition.
What the day did and did not settle
Copernicus died without being able to oversee the book's reception or challenge Osiander's anonymous framing, while the printed work began circulating among European astronomers.
The model itself was narrower than its reputation: the Sun sat near, but not precisely at, the mathematical center, and replacing Ptolemy's equant with epicyclets made parts of the system more complex rather than simpler. Reception and acceptance unfolded over generations, not on the day the printing finished.
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What the sources leave uncertain
The death date and the book's publication in 1543 are well supported. The precise bedside scene is less secure: scholarly reference works repeat that he held the finished book, while other historical accounts explicitly call the story possibly apocryphal.
Later embellishments—that Copernicus awoke from a coma, recognized the book and then died peacefully—are not established by the consulted scholarly sources.
Sources variously describe what arrived as a finished copy, final printed pages or proofs. The exact physical form should not be asserted more narrowly than the evidence allows.
The first fight lasted less than three minutes and left eight Lexington militiamen dead — and nobody has ever established which side fired the shot that started it.
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On 19 April 1775, about 700 British regulars under Lieutenant Colonel Francis Smith marched from the Boston area toward Concord to seize and destroy colonial arms and supplies, on secret orders from the royal governor, Thomas Gage.
At about 5 a.m. they met 77 members of Captain John Parker's militia on Lexington Green. Parker ordered his men to disperse, an unidentified shot was fired, and British volleys left eight militiamen dead and ten wounded. No reliable evidence identifies who fired first; British and provincial accounts conflict.
North Bridge and the order to return fire
At Concord's North Bridge, approximately 400 provincial soldiers advanced against approximately 96 regulars. After the British fired, Major John Buttrick ordered a return volley that killed or mortally wounded three regulars and wounded nine more.
Smith began withdrawing from Concord around noon. Militia converged along the road and fought the British column through Lexington, Menotomy and Cambridge — a running battle stretching about 16 miles along the Bay Road, not a clash confined to two village greens.
By nightfall: a siege instead of a crisis
Nearly 1,000 reinforcements under Brigadier General Hugh Earl Percy rescued Smith's exhausted detachment at Lexington, and the combined force fought its way to Charlestown, reaching safety around 7:30 p.m.
The day cost the British 273 casualties — 73 killed, 174 wounded, 26 missing — against 95 colonial casualties. That night most provincial troops moved to Cambridge while wounded regulars were ferried from Charlestown into Boston, and siege operations developed immediately.
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No reliable evidence identifies who fired the first shot on Lexington Green. British and provincial accounts conflict.
Several colorful sayings and individual combat stories were recorded decades afterward and should be labeled as tradition rather than treated as contemporary testimony.
John Adams wrote the next morning that Philadelphia's bells rang all day and almost all night — yet he never named the bell that later became the national icon.
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Four days after Congress adopted it, the Declaration was proclaimed publicly in Philadelphia on 8 July 1776. Colonel John Nixon read a Dunlap broadside — a disposable printed sheet, not the signed parchment now displayed in Washington — in the yard of the Pennsylvania State House, today's Independence Square.
Pennsylvania's Committee of Safety had directed Sheriff William Dewees to arrange the reading and the bell-ringing that accompanied it.
What John Adams actually reported
Writing the next day, Adams described a large crowd that gave three cheers, and battalions firing a feu de joie despite a shortage of powder.
He also reported that the city's bells rang throughout the day and almost all night. What he did not do was identify the State House bell now called the Liberty Bell among them.
The claim the listing gets wrong
The National Park Service finds no evidence that the Liberty Bell itself rang on either 4 or 8 July 1776, saying only that it may have joined the city's other bells. Andrew McNair's office normally included bell-ringing duties, but records do not establish that he — or the State House bell — performed that duty on 8 July.
The name is anachronistic too: in 1776 it was generally the State House bell, and abolitionists began calling it the Liberty Bell in the nineteenth century.
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What the sources leave uncertain
The July 8 reading and general bell-ringing are well documented. The disputed element is the event title's claim that the particular bell later called the Liberty Bell rang.
Andrew McNair's office normally included bell-ringing duties, but records do not establish that he—or the State House bell—performed that duty on July 8.
2 August 1776: comparing the parchment at the table
On 2 August 1776 in Philadelphia, the engrossed parchment was compared with the approved text and signed by most members of the Second Continental Congress. The congressional journal reduced the ceremony to that one terse record.
John Hancock signed first. The other delegates signed in state groups arranged geographically, from New Hampshire south to Georgia.
Why Congress ordered an engrossed parchment
On 19 July, after all thirteen colonies had approved independence, Congress had ordered the Declaration fairly engrossed on parchment and signed by every member. The text read publicly earlier that month came from printed Dunlap broadsides, not this sheet.
The National Park Service estimates that 50 of the document's eventual 56 signers signed on 2 August; some modern accounts give 49, and the journal does not name everyone who signed that day.
An unfinished roster
By the end of the ceremony the parchment bore most delegates' signatures and could be retained as Congress's authenticated record. Absent or later-appointed delegates added their names afterward — Thomas McKean's signing date is debated, with National Archives materials placing it much later.
The day settled authentication, not independence: Congress had approved independence on 2 July and adopted the Declaration's text on 4 July.
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What the sources leave uncertain
The congressional journal confirms that the engrossed Declaration was signed on August 2, but does not name everyone who signed that day. The NPS therefore describes 50 as the most likely count; some modern accounts give 49.
Thomas McKean's signing date is particularly uncertain. National Archives materials place it much later, but the exact year is debated.
The first Electoral College never met as a college: 69 electors voted in separate state meetings, and the country could not know the official result for two more months.
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On 4 February 1789 — the date fixed by the Confederation Congress's election ordinance — presidential electors met separately in ten participating states and cast their ballots under the original Article II system. There was no single national assembly.
Every elector who voted included George Washington on one of his two undifferentiated ballots, giving him 69 electoral votes out of 138 cast.
How Adams became vice president
Under the pre-Twelfth Amendment rules, electors did not mark separate ballots for president and vice president. Each cast two votes for persons, and the runner-up took the second office.
John Adams received 34 votes — the second-highest total — and so became vice president without anyone having voted for him for that office.
What “unanimous” conceals
Washington won every elector who actually voted, but New York failed to appoint its eight allotted electors, and three selected electors elsewhere — two in Maryland and one in Virginia — did not vote. North Carolina and Rhode Island had not ratified the Constitution and sent no electors at all.
Nor was the result confirmed that day. The sealed state returns travelled to New York, and the House and Senate did not officially count them until they met jointly on 6 April 1789.
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Calling Washington 'elected' on 4 February is conventional and defensible because that is when the electors voted, but no single national body met that day and the separate state results were not officially opened, counted, or declared until 6 April.
The election is often labeled the election of 1788–1789 because selection of electors began in December 1788 and continued in January 1789; the presidential electoral ballots themselves were cast on 4 February 1789.
'Unanimous' means every elector who actually voted cast one of his two ballots for Washington. It does not mean every authorized electoral position was filled or that all eligible citizens voted for him.
The first inauguration had no inherited script — the Constitution supplied only the oath's wording — and a Bible had to be fetched from a nearby Masonic lodge.
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At about 12:30 p.m. on 30 April 1789, Washington travelled by state coach from his Franklin Square residence to Federal Hall in New York City, then the temporary national capital. Congress had arranged the oath for the building's second-floor outdoor balcony so the largest possible crowd could witness it.
New York Chancellor Robert R. Livingston administered the oath prescribed by Article II. Washington repeated it and kissed the Bible held for the ceremony; Livingston proclaimed him president, and thirteen cannons fired.
Inside, the first inaugural address
Washington then returned indoors to the Senate Chamber and delivered the first presidential inaugural address to the assembled House and Senate. Senator William Maclay wrote that he trembled more before Congress than he had before levelled cannon or pointed muskets.
The company proceeded afterwards to St. Paul's Church for a service, and fireworks closed the official programme that evening. The inaugural ball did not happen that night: pressing public business postponed it until 7 May.
Late, and unscripted
The ceremony had been expected on 4 March, but Congress lacked quorums and could not count the electoral votes until 6 April, when Washington's 69 votes were confirmed and word sent to Mount Vernon. John Adams had already taken up his vice-presidential duties on 21 April; the day's central constitutional event was Washington's oath.
One familiar detail should be marked as tradition rather than record: there is no reliable contemporary evidence that Washington added “So help me God” to the constitutional oath.
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There is no reliable contemporary evidence that Washington added 'So help me God' to the constitutional oath; the fact sheet therefore does not repeat that later tradition.
Some secondary pages conflict over minor ceremonial details, but the date, place, oath administrator, balcony setting, address, church service, and fireworks are strongly documented.
Two Directors who refused to resign were placed under the “protection” of 300 soldiers — protection that prevented them from acting. The coup's famous drama came the next day.
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At 7 a.m. on 18 Brumaire Year VIII — 9 November 1799 — Bonaparte summoned loyal officers to his home in full dress uniform and fully armed. That day the Council of Ancients met at the Tuileries and, citing a supposed Jacobin conspiracy, ordered both legislative councils transferred from Paris to Saint-Cloud for the following day.
The same body placed Napoleon Bonaparte in command of the public force assigned to protect the legislature. The transfer looked procedural; its effect was to move the councils away from Paris and within reach of his troops.
Five Directors, subtracted
Emmanuel-Joseph Sieyès and Roger Ducos resigned, and Talleyrand obtained Paul Barras's resignation. Sieyès, who had wanted a new constitution to replace the rigid Constitution of Year III, had not initially regarded Bonaparte as indispensable — he considered him dangerously ambitious and turned to him after other generals proved unavailable or unsuitable.
Louis-Jérôme Gohier and Jean-François-Auguste Moulin refused to resign. Bonaparte sent General Moreau with 300 men to guard them at the Luxembourg Palace, neutralizing the remaining executive opposition.
Not finished by nightfall
By the evening of 9 November the Directory could not operate, but nothing had replaced it. The confrontation at Saint-Cloud — where deputies renewed their oath to the very constitution the conspirators meant to replace — came on 10 November, and the councils approved a provisional consulate of three only on the coup's second night, with final votes continuing into the early hours of 11 November.
The lurid version of that second day deserves caution. Accounts of deputies brandishing daggers at Napoleon are entangled with Lucien Bonaparte's justification for sending in troops; the hostile confrontation is secure, but the dagger story largely reproduces the conspirators' own legitimating narrative.
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The conventional name refers to 18 Brumaire, but the coup was a multi-day event on 9–10 November, with final votes continuing into the early hours of 11 November. Treating 9 November alone as the moment the Consulate was fully established compresses the chronology.
Whether 18 Brumaire 'ended the French Revolution' is a historical periodization judgment, not an uncontested same-day fact.
Accounts of deputies physically assaulting Napoleon or brandishing daggers are entangled with Lucien Bonaparte's justification for military intervention and later pro-coup legend; the hostile confrontation is secure, but the dagger story should not be stated as established fact.
Marbury was told he had a right, had suffered a legal wrong, and had asked for the proper remedy — and still lost. The Court enlarged its authority by limiting its own jurisdiction.
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On 24 February 1803, Chief Justice John Marshall delivered the Court's opinion in William Marbury's petition, which sought a writ compelling Secretary of State James Madison to deliver his commission as a District of Columbia justice of the peace. Marbury was one of 42 nominees confirmed in March 1801; four commissions, including his, had never been delivered.
Marshall ruled on the legal effect of a commission that he himself had sealed while still serving as secretary of state.
Right, wrong, and no remedy
The Court held that Adams's signature and the affixing of the seal had completed the appointment, so Marbury possessed a legal right and Madison's withholding was unlawful. Then it denied him relief.
Its reason was jurisdictional: Article III did not give the Supreme Court original jurisdiction to issue the requested writ. Marshall treated the portion of Section 13 of the Judiciary Act of 1789 that purported to authorize such relief as contrary to Article III and therefore void.
What was and wasn't established
That was the first clear Supreme Court invalidation of an act of Congress as unconstitutional — but the case did not invent constitutional review from nothing, since state and federal courts had engaged in forms of it before 1803. Nor did the Court strike down all of Section 13; it rejected the provision insofar as it purported to enlarge the Court's original jurisdiction.
Marbury himself got nothing. He received no writ and never obtained the office.
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The decision date and holding are secure. The larger claim that Marbury 'created' judicial review requires qualification: state and federal courts had engaged in forms of constitutional review before 1803.
The conventional description of a unanimous Court means no participating justice dissented; not all six sitting justices were present for the case.
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