John Hancock, one of Boston’s wealthiest merchants and a leading figure in Boston politics, forcibly removed customs officials from his ship Lydia.

The 47-page pamphlet is credited with having a dramatic impact on public opinion in the colonies, and helped to consolidate the idea of independent republicanism.

American President George Washington delivered the very first State of the Union address to Congress.

France and the United States signed the first two treaties ever negotiated by the American government, and which formally recognised the independence of the United States.

The British government had passed the Tea Act seven months earlier on 10 May, partly in an attempt to support the struggling East India Company.