US President George Washington signed the Postal Service Act.
The US Bill of Rights was ratified when Virginia gave its approval, which became amendments 1-10 of the constitution.
Mozart's last opera, 'The Magic Flute,' premiered in Vienna.
HMS Pandora sank at The Great Barrier Reef after a voyage to hunt down the Bounty mutineers in 1790.
African American almanac author Benjamin Banneker wrote a letter to Thomas Jefferson asking for justice for African Americans.
The Treaty of Sistova was signed, which ended the Ottoman–Habsburg wars.
King Louis XVI, Marie Antoinette, and their immediate family fled their home at the beginning of the French Revolution.
Vermont became the 14th state to join the United States of America.
The Aztec Sun Stone was discovered in Mexico City.
Chrysanthemums were believed to have been introduced from China to England.
American sea Captain Robert Gray returned to Boston after a three-year journey commanding the ship Columbia Rediviva.
Samuel Hopkins was awarded the first US patent.
English poet Henry James Pye became Poet Laureate in the United Kingdom.
The Copyright Act of 1790 became the first federal copyright act to be established in the United States.
Rhode Island became the thirteenth colony to enter the Union after the United States Constitution's ratification.
The first United States Census was authorized.
The first President of the United States, George Washington, delivered the first State of the Union address in New York City.
President George Washington proclaimed the day an official National Day of Thanksgiving for the United States of America.
North Carolina became the 12th state to join the United States of America.
The American state of New Jersey was the first state to ratify the Bill of Rights.
Father John Carrol became the first Catholic Bishop in the United States.
Following the women's march on Versailles, The National Assembly declared martial law in France to prevent future uprisings.
George Washington issued his 'Thanksgiving Proclamation.'
The US congress proposed the addition of twelve changes to the US Constitution.
The United States Congress passed the Judiciary Act.
German-British astronomer William Herschel discovered the moon of Saturn, 'Mimas.'
President George Washington appointed Alexander Hamilton as the first Secretary of the US Treasury.
U.S. Department of the Treasury is formed.
The US Department of Foreign Affairs, the fledgling nation's first federal agency, was established.
The French Revolution began when the Parisians invaded Bastille Prison.
Revolutionary War soldiers formed the Society of St. Tammany.
The first inaugural ball was held.
George Washington gave his first speech as the first President of the United States.
The first vice president of the United States, John Adams, was sworn in.
George Washington started his 220-mile journey to become the first President of the United States.
The Senate convened for the first time after the new federal government was set up in the USA.
The U.S. Constitution is put into effect.
George Washington is elected as first President of the United States.
New York became the 11th state to join the United States of America.
Virginia became the 10th state to join the United States of America.
New Hampshire became the 9th state to join the United States of America.
The Day of the Tiles took place.
South Carolina became the 8th state to join the United States of America.
Maryland became the 7th state to join the United States of America.
Massachusetts became the 6th state to join the United States of America.
The first Europeans settle in Australia.
Connecticut became the 5th state to join the United States of America.
Georgia became the 4th state to join the United States of America.
New Jersey became the third state to ratify the US constitution.
Pennsylvania became the second state to ratify the US constitution.
