March 1, 1808

Abolition of the slave trade in the British Empire

Final transitional landing deadline under Britain's Slave Trade Act

Britain's celebrated abolition law still allowed grandfathered voyages to land captives in the West Indies as late as this date — and the entry attached to it tells the story of a naval squadron instead.

What 1 March 1808 actually was

1 March 1808 was the final ordinary deadline written into section VI of the 1807 act: the last day on which enslaved Africans carried in British ships cleared before 1 May 1807 could be landed in the British West Indies under the statute's transitional exemption.

Parliament had deliberately included that wind-down so voyages already lawfully begun had time to cross the Atlantic and put captives ashore.

It was not the day the law began to operate, and it was not emancipation for anyone already enslaved in the colonies.

Three different dates, and the exceptions left open

Royal assent came on 25 March 1807. The general prohibition applied from 1 May 1807, barring British subjects and residents of British territories from the defined African trade, from fitting out ships for it and from knowingly transporting people for enslavement.

After 1 March the ordinary grandfathering protection expired, but the section kept narrow exceptions where timely landing had been prevented by capture, loss of the vessel, an enemy's appearance or another unavoidable necessity.

The statute initially reached British subjects, residents and ships; it did not by itself give Britain a right to search every foreign vessel.

The squadron the listing puts here instead

The Royal Navy's first anti-slave-trade patrol belongs to 1808, but no source consulted connects its establishment to 1 March specifically.

That first patrol was two identified ships, Solebay and Derwent. Specialist accounts distinguish them from the formal West Africa Station or independent command organised around 1818–19, which the phrase "West Africa Squadron" usually denotes.

The National Archives estimates that the later squadron seized more than 1,600 ships and liberated about 150,000 Africans, while roughly a million more people were transported during the nineteenth century.

Sources

Researched 24 Aug 2026 7 sources not yet audited Date disputed

How this was checked

Researched from the web into a fact sheet and rewritten from that sheet. This article has not yet had an independent model audit. How the pipeline works →

Date disputed. Sources disagree about when this happened.

What the sources leave uncertain

The listed date is real, but its stated meaning is wrong: March 1 was a transitional landing deadline, not the date the act generally took effect.
Sources often say the West Africa Squadron was founded in 1808 because the first two-ship anti-slave-trade patrol began that year. Specialist accounts distinguish those early ships on particular service from the formal West Africa Station or independent command established around 1818–1819.
No evidence consulted identifies March 1 as the Squadron's founding day.