In Assassin's Creed III, which historical event does Connor witness at the beginning of the game?

In Assassin's Creed III, Connor witnesses the Boston Massacre at the beginning of the game.

The event appears during the game's early sequence, when the young Native American protagonist Ratonhnhaké:ton observes escalating tension between British soldiers and Boston civilians. The soldiers fire into the crowd, and the incident becomes an important part of the historical background surrounding Connor's later actions as an Assassin.

The Boston Massacre occurred on March 5, 1770, in Boston, Massachusetts. British troops killed five civilians during a confrontation with townspeople. Patriot leaders used the incident as powerful anti-British propaganda, although the event resulted from a rapidly developing clash rather than a planned massacre in the modern sense.

Assassin's Creed III also depicts other American Revolutionary events, including the Boston Tea Party and the Declaration of Independence. Those events are separate from the opening scene, which specifically centers on the Boston Massacre and its immediate consequences.