The Supreme Court of Massachusetts abolishes slavery in that state.
New branches of government
Rather than revise the Articles of Confederation, delegates at the constitutional convention vote to create an entirely new form of national government separated into three branches - the legislative, executive and judicial.
John Adams is elected second president of the U.S. Jefferson is elected vice president, having received the second largest number of electoral votes.
New U.S. capital
The U. S. capital is moved from Philadelphia to Washington, D.C.