08/19/2026
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In 1781, the British slave ship Zong left the West African coast carrying hundreds of enslaved Africans toward Jamaica. The ship was dangerously overcrowded, and navigational mistakes lengthened the voyage. As disease spread and the crew claimed that drinking water was running dangerously low, a decision was made that would become one of the most horrifying episodes in the history of the Atlantic slave trade.
Over several days beginning around November 29, crew members threw more than 130 enslaved Africans into the Atlantic Ocean. Some of the victims were men, women and children. Historical accounts give different totals, but James Kelsall, the ship’s first mate, later stated that the total number drowned was 142, including people who entered the water themselves.
And then came something almost impossible to comprehend. The owners of the Zong treated the deaths as a financial loss.
They had insured the enslaved people as part of the ship’s cargo. After the ship reached Jamaica, the owners sought compensation from the insurers for those who had been thrown overboard, arguing that the killings were necessary to save the remaining people and the voyage.
The insurers refused to simply accept the claim.
That disagreement eventually brought the case Gregson v. Gilbert before a London court in 1783.
The horrifying reality was exposed: the question before the court was largely whether the owners could recover money for the people they had killed—not whether the people on the ship had been murdered.
The first proceeding favored the shipowners, but on appeal Lord Mansfield ordered a new trial after evidence suggested that the crew’s own navigational mistakes had contributed to the shortage of water. The owners ultimately did not receive the insurance payment they sought.
The massacre eventually came to the attention of abolitionists after Olaudah Equiano told Granville Sharp about the case. Sharp attempted to have those responsible prosecuted for murder, although no successful murder prosecution followed.
The Zong case became an important symbol of the cruelty of the transatlantic slave trade. It exposed, in horrifying detail, a system in which human beings could be legally treated as property and where the deaths of enslaved people could become the subject of an insurance dispute.
More than two centuries later, the name Zong still carries the memory of the people whose lives were reduced to numbers, cargo and money.
They were not cargo. They were people. And they should be remembered as such.
We do not glorify violence. We reveal truth so history can’t repeat itself.
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