April 1, 1789: House of Representatives first achieved a quorum (required minimum number) and elected its officers
April 6, 1789: Senate first achieved a quorum and elected its officers.

April 6, 1789: The House and Senate, meeting in joint session, count the Electoral College ballots, then certify that George Washington has been unanimously elected President of the United States and John Adams (having received 34 of 69 votes) elected as Vice president.

April 30, 1789: George Washington was inaugurated as the nation's first president at Federal Hall in New York City
January 8, 1790: President Washington gave the first State of the Union Address
June 20, 1790: Compromise of 1790: James Madison agreed to not be "strenuous" in opposition for the assumption of state debts by the federal government; Alexander Hamilton agreed to support the capital site being above the Potomac River.
April 1, 1789: House of Representatives first achieved a quorum (required minimum number) and elected its officers
April 6, 1789: Senate first achieved a quorum and elected its officers.
April 6, 1789: The House and Senate, meeting in joint session, count the Electoral College ballots, then certify that George Washington has been unanimously elected President of the United States and John Adams (having received 34 of 69 votes) elected as Vice president.
April 30, 1789: George Washington was inaugurated as the nation's first president at Federal Hall in New York City
January 8, 1790: President Washington gave the first State of the Union Address
June 20, 1790: Compromise of 1790: James Madison agreed to not be "strenuous" in opposition for the assumption of state debts by the federal government; Alexander Hamilton agreed to support the capital site being above the Potomac River.
1st United States Congress