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25 March 1942, 8:20 p.m., Poprad station

On the evening of 25 March 1942, Slovak authorities forced 1,000 young Jewish women and girls from eastern Slovakia aboard cattle wagons at Poprad station. The train departed at approximately 8:20 p.m. for Auschwitz.

They had been preselected and assembled at a temporary camp in former military barracks. Among them were 108 girls aged fourteen to seventeen; only eighteen of the women were over forty.

The Slovak state paid the German Reich 500 Reichsmarks for each person it deported.

999 arrivals, numbered 1000 to 1998

The train crossed out of Slovakia at about 4 a.m. on 26 March, and 999 women arrived alive at Auschwitz that afternoon. They were registered as prisoners and assigned the consecutive numbers 1000 to 1998 rather than being murdered on arrival.

The three figures are not interchangeable: 1,000 were reportedly forced aboard, 999 arrived alive, and 997 names are known from the surviving transport list.

What "first" means here

The deportations followed a February 1942 agreement between the Slovak government and Nazi Germany. This was the first transport of Jewish residents deported from the wartime Slovak state, and the first mass transport of Jews recorded in Auschwitz's camp records — the first sent there under Adolf Eichmann's RSHA Office IV B 4.

It was not the first transport of prisoners to Auschwitz, nor the first presence of Jews there.

It was not even the first women's transport to reach the camp that day: 999 women prisoners had arrived from Ravensbrück earlier on 26 March.

15 July 1942: filling a train

Westerbork had been a Dutch-administered refugee camp until the Security Police and SD took it over as a German police transit camp on 1 July 1942. Two weeks later, on 15 July, the first deportation transport left it for Auschwitz-Birkenau.

German authorities had summoned approximately 1,400 Jews in Amsterdam for purported labour in the east, but only about 950 reported.

Because that group did not fill the required transport, commandant Erich Deppner ordered prisoners added from Westerbork, including 51 children from the camp orphanage.

A walk back to Hooghalen station

The deportees were taken to Hooghalen station, several kilometres from the camp, for the eastbound train. Some had arrived from Amsterdam the previous night, walked roughly six kilometres to Westerbork, been registered, and then walked back toward Hooghalen.

The Camp Westerbork Memorial Centre publishes two passenger totals for the train: 1,132 in its digital collection, and 1,137 in its 2022 commemoration material, the figure Anne Frank House also uses.

By 17 July

A second transport left on 16 July. The first two trains reached Auschwitz on 17 July, while Heinrich Himmler was inspecting the complex; he witnessed the gassing of more than 400 people from those transports.

From the first train, Abraham Prins threw out two farewell notes. One asked his wife to stay strong. The other told his nine-year-old son to be brave.

23 August 1942: a spearhead on the riverbank

XIV Panzer Corps attacked east from its bridgehead over the Don on 23 August 1942, and the 16th Panzer Division's spearhead raced toward northern Stalingrad — an armoured advance of roughly 96.5 kilometres.

In the late afternoon, Hyazinth Graf Strachwitz's battle group entered the northern suburbs around Rynok and Spartanovka and reached the high western bank overlooking the Volga.

At the same time, Luftflotte IV subjected Stalingrad to a destructive bombardment that ignited extensive fires.

Antiaircraft guns firing flat

The advance ran into Soviet antiaircraft batteries, including the 1077th Antiaircraft Regiment, whose crews engaged the German tanks with guns meant for aircraft. Women participated prominently, although the defenders were not exclusively women.

Over two days the 1077th reported losing 35 antiaircraft guns, with 18 killed, 46 wounded and 74 missing.

Out ahead of everything

The spearhead had outrun its infantry and supplies. It formed an all-around defensive perimeter and stayed isolated for days while supporting units caught up: the 3rd Motorized Division halted 12 miles behind it, and the 60th Motorized sat in a ten-mile traffic jam.

The whole Sixth Army did not reach the Volga that day, and the breakthrough did not capture Stalingrad; German infantry reached the city's approaches in September.

Frequently repeated figures for the 23 August air raid — 1,600 sorties, 1,000 tons of bombs, tens of thousands killed — may combine several days of operations or rest on uncertain wartime estimates.

3 October 1942, 15:58

At 15:58 on 3 October 1942, the fourth A-4 test vehicle, designated V4, lifted off from Test Stand VII at the Peenemünde Army Research Center.

The engine burned for 58 seconds, after which the rocket continued on a ballistic trajectory and struck the Baltic Sea after a flight of approximately five minutes — 296 seconds by the Smithsonian's figure.

It was the A-4 programme's first successful flight, after failed launch attempts in June and August 1942.

How high, and whether that counts as space

German historical sources commonly report a range of about 190 kilometres and an apogee of 84.5 kilometres, while the Smithsonian gives roughly 125 miles of range and 60 miles of altitude — so the figures are best treated as approximate.

An apogee of 84.5 kilometres exceeds the 80-kilometre boundary used by some United States agencies but falls below the FAI's 100-kilometre Kármán line.

Whether this was the first man-made object to reach space therefore depends on the definition chosen.

A weapons test, kept secret

Wernher von Braun led technical development of the A-4 at Peenemünde, and Walter Dornberger directed the German Army's rocket programme.

The vehicle was called the A-4 at the time; "V-2" was the later propaganda and operational name. This was a weapons-development test, not a civilian space-exploration mission.

Hitler's order for mass production followed in November, not on launch day.

22 November 1942: the bridge at Kalach

Before dawn on 22 November 1942, a battalion of the Soviet XXVI Tank Corps seized the Don bridge at Kalach, severing a vital route behind the German Sixth Army.

Friedrich Paulus flew back into the developing pocket rather than away from it and, from Gumrak airfield, radioed Hitler that Kalach had fallen and the Sixth Army was encircled.

He reported that no continuous southern front existed between Kalach and Karpovka.

The request, and the answer

Paulus asked for authority to evacuate Stalingrad and break out to the southwest if a defensible perimeter could not be formed.

Hitler had already ordered the army to stand in place on 21 November and treated the encirclement as temporary. Paulus renewed his request once the ring closed, and on 24 November Hitler definitively ordered the pocket held — with supply promised by air, at 600 tons a day on Göring's assurance.

When did the ring actually close?

Some military histories describe Soviet forces meeting at Kalach on 22 November. The U.S. Army's detailed operational history instead places the indisputable closing of the ring near Sovetskiy late on 23 November.

Operation Uranus had opened days earlier with 3,500 guns and mortars about 110 miles northwest of Stalingrad, breaking through the Romanian armies guarding the German flanks.

When the Soviet spearheads finally met, they identified one another with green signal flares.

A postal research laboratory in December 1943

During December 1943, Tommy Flowers and his General Post Office team were completing and testing Colossus Mark 1 at the Post Office Research Station at Dollis Hill in London. The date filed against this entry, March 1943, does not fit either the description or the evidence.

The prototype demonstrated that a programmable electronic digital machine using about 1,500 thermionic valves could execute Bill Tutte's statistical codebreaking procedures. It had been designed and built over eleven months, after the two-tape Heath Robinson machines proved limited by synchronisation and reliability problems.

Tested, but not yet working

The successful functional test cleared the machine for delivery to Bletchley Park, where Max Newman's section was waiting for machinery to apply statistical attacks to Lorenz traffic. Colossus was then dismantled for transport.

Contemporary records place its arrival at Bletchley Park on 18 January 1944, and its first attack on an operational Lorenz message on 5 February 1944. In December 1943 it was therefore tested but not yet doing operational cryptanalysis.

What the 8 December date rests on

December 1943 is well supported, but the exact first-run date is not. The often-repeated 8 December is presented by The National Museum of Computing as a recollection or supposition rather than a documented date.

Flowers's surviving diary shows Colossus still at Dollis Hill on 16 January 1944, and a contemporary memorandum by Newman records its arrival at Bletchley Park two days later. After the machine completed its first real job on 5 February, Flowers recorded a more ordinary disaster in the same diary: his car broke down on the way home.

Into a ruined city

German Eighth Army headquarters concluded on 22 August 1943 that Kharkov had to be abandoned. German troops withdrew, and Soviet formations entered the heavily damaged city the next day.

A Soviet order credited Ivan Konev's Steppe Front with taking Kharkov, assisted on its flanks by Nikolai Vatutin's Voronezh Front and Rodion Malinovsky's Southwestern Front. Erich von Manstein commanded Army Group South during the evacuation.

Twenty salvoes from 224 guns

At 21:00 that evening Moscow marked the capture with an artillery salute ordered by Stalin — twenty salvoes from 224 guns.

The Soviet announcement said the city had been “captured by storm.” Operational scholarship records that German forces had begun withdrawing the previous day.

Where the battle ends depends on who is counting

The capture ended the Belgorod–Kharkov offensive, Operation Rumyantsev, and closes the Battle of Kursk in official Soviet chronology, which combines the July defensive battle with Operations Kutuzov and Rumyantsev across 5 July–23 August 1943.

German historiography commonly treats Kursk as Operation Citadel alone, roughly 5–15 or 17 July. The failure of Citadel in July and the capture of Kharkov in August are separate phases joined by the broader definition.

The day did not end German offensive capacity; German forces later mounted major counterattacks and further offensives, and the retreat westward continued.

3 November 1943, at dawn

At dawn on 3 November 1943, German SS and police units began Aktion Erntefest, an operation to murder the remaining Jewish forced labourers in the Lublin district of German-occupied Poland.

At Majdanek, German personnel separated Jewish prisoners from non-Jews, marched them to trenches prepared behind the camp, and shot them.

Loudspeakers played music at Majdanek and Trawniki to mask the gunfire and the victims' screams.

Three camps, two days

The killings at Majdanek and Trawniki were completed on 3 November; the massacre at Poniatowa continued or principally occurred on 4 November. The victims were Jewish prisoners from Majdanek, Trawniki, Dorohucza and other Lublin-area labour camps, shot in pits prepared for the operation.

Approximately 18,000 people were shot at Majdanek on 3 November — the largest mass execution in the history of the German concentration-camp system, according to the Majdanek Museum. At least 6,000 more were murdered at Trawniki and Dorohucza the same day.

Why Himmler ordered it

After armed Jewish resistance at Warsaw, Białystok and Treblinka, and especially the October 1943 Sobibór uprising, Himmler ordered the remaining Jewish forced labourers in the Lublin district murdered to prevent further resistance.

The shootings were carried out by German SS and police units with Trawniki-trained auxiliaries — police recruited largely from Soviet prisoners of war and trained under SS authority, not simply local volunteers of one nationality.

The US Holocaust Memorial Museum and the State Museum at Majdanek put the two-day toll at approximately 42,000, the largest German-perpetrated mass-shooting operation of the Holocaust.

A vertical shot from Greifswalder Oie

On 20 June 1944 a German Army A-4 test rocket designated MW 18014 was launched vertically from Greifswalder Oie, part of the Peenemünde test complex. The surviving report puts the launch at 14:30 and credits test unit 1./485.

It was one of a series of steep or vertical trials meant to study A-4 behaviour in near-vacuum and during high-speed reentry and breakup. A planned engine cutoff did not occur; the engine burned until the propellant was exhausted, for 67.5 seconds of powered flight.

174.6 kilometres, and back down

The rocket reached an apogee of 174.6 kilometres — far above the modern 100-kilometre Kármán line — and then fell back to Earth. Total flight time was 426 seconds.

It did not enter orbit. Crossing the Kármán line is not the same as orbiting, and this vehicle followed a suborbital path and struck the Earth.

Two reasons the “first in space” label is contested

The boundary concept was formulated in the mid-1950s, more than a decade after the flight, and the Fédération Aéronautique Internationale formally adopted 100 kilometres as the aeronautics–astronautics line in 1960. Applying it to 1944 is necessarily retrospective.

A surviving German Hauptschussbericht, catalogued as BArch-MA RH 8/1286, reports that another rocket from the same island, MW 18012, reached approximately 127 kilometres on 18 June 1944 — two days earlier.

The vehicle's contemporary technical designation was A-4; “V-2” was the propaganda name announced publicly later in 1944.

23 October 1944: a radar contact west of Palawan

Shortly after midnight on 23 October 1944, west of Palawan, USS Darter detected Vice Admiral Takeo Kurita's Center Force by radar and transmitted contact reports that alerted U.S. commanders to its approach toward Leyte.

Japan had activated Operation Shō to destroy the Allied landing forces off Leyte, and Kurita's force was steaming from Brunei through the Palawan Passage toward San Bernardino Strait.

The reports disclosed the principal Japanese striking force two days before the climactic engagements around Surigao Strait, Samar and Cape Engaño.

Three heavy cruisers before sunrise

At 05:24 Darter fired six torpedoes at Kurita's flagship, the heavy cruiser Atago; at least four hit, and Atago sank in 18 minutes with 360 of her crew. Darter then severely damaged the heavy cruiser Takao, which withdrew toward Brunei with two destroyers and stayed unusable for the rest of the war.

At 05:56 USS Dace put four torpedoes into the heavy cruiser Maya, which capsized in seven minutes. 336 of her crew died and 769 were rescued by the destroyer Shimakaze.

Two submarines had removed three of Center Force's ten heavy cruisers before the carrier and battleship actions began.

Kurita kept going

Kurita escaped the sinking Atago by swimming, was rescued by the destroyer Kishinami, transferred to Yamato and resumed command of the still-advancing Center Force. He continued toward Leyte — delayed, and without surprise.

Lists of only four component battles often omit the Battle of Palawan Passage, the action that actually opened the accepted 23–26 October chronology.

10 August 1945: the emperor breaks the deadlock

After Emperor Hirohito intervened to break a deadlock on 10 August 1945, an Imperial Conference decided that Japan would accept the Potsdam Declaration on the condition that the emperor's prerogatives as sovereign ruler be maintained.

Prime Minister Kantarō Suzuki had convened the divided leadership and asked the emperor to resolve the impasse. Foreign Minister Shigenori Tōgō then instructed Japan's representatives in Switzerland and Sweden to transmit the decision through those neutral governments.

Swiss chargé d'affaires Max Grässli delivered the formal message in Washington.

One sentence about the emperor

The message said Japan was ready to accept the Potsdam terms on the understanding that they contained no demand prejudicing the emperor's prerogatives as sovereign ruler. Japan did not ask to preserve all national sovereignty; the reservation was that specific.

It requested an explicit and rapid Allied assurance on that condition, which made it an opening in the surrender exchange rather than a final, unqualified acceptance.

The war did not end that day

On 11 August the four Allies replied that, from surrender onward, the authority of the emperor and the Japanese government would be subject to the Supreme Commander for the Allied Powers, and that Japan's ultimate form of government would be determined by its people's freely expressed will.

Japanese deliberations therefore continued. The public broadcast on 15 August and the formal signing on 2 September were separate later events.

Historians dispute the relative weight of Hiroshima, Nagasaki and Soviet entry in producing the 10 August decision; the sequence is clear, but calling any one blow the decisive cause goes beyond the evidence.

20 November 1945, 10 a.m., Palace of Justice

At 10 a.m. on 20 November 1945, in Nuremberg's Palace of Justice, the British judge Geoffrey Lawrence opened the public trial of the major Nazi war criminals before the International Military Tribunal.

Lawrence identified the tribunal as the creation of the London Agreement of 8 August among the United States, United Kingdom, France and Soviet Union, and directed that the indictment be read.

The prison shared a complex with the courthouse, so the defendants could be moved directly from their cells to Courtroom 600.

Four counts, six organizations

The indictment contained four counts: conspiracy, crimes against peace, war crimes and crimes against humanity. It also asked the tribunal to declare six Nazi state, party and military groups criminal organizations.

Twenty-four people had been indicted and 22 remained subject to trial, but only 20 were in the dock. Martin Bormann was being tried in absentia, and Ernst Kaltenbrunner was hospitalised after a cerebral haemorrhage.

The whole first day was the indictment

Reading the indictment occupied the entire day's proceedings, and the tribunal adjourned at 5:05 p.m.

Pleas followed on 21 November, along with Robert H. Jackson's opening address for the prosecution — the famous speech was not delivered on the 20th. Kaltenbrunner entered his plea in December, after recovering enough to attend.

This was the opening of the evidentiary trial rather than the tribunal's first act: the IMT had held a public organizational session in Berlin on 18 October.