Delaware became the first state to ratify the US constitution.
Wolfgang Amadeus Mozart's opera 'Don Giovanni' premiered in Prague.
39 out of 50 delegates signed the US Constitution and shared it publicly.
The Northwest Ordinance was enacted; it is considered one of the most important legislative acts that the Confederation Congress of the US passed.
Delegates started to gather in Philadelphia to draw up the US constitution.
Mission Santa Barbara was founded in California by Franciscan missionaries from Spain.
The Stoughton Musical Society, the oldest musical society in the US, was formed.
Protestors shut down the court in Springfield, Massachusetts starting the Shay's Rebellion.
The US Congress made a final decision on the use of the US Dollar as currency.
The Treaty of Amity and Commerce was signed between the Kingdom of Prussia and the United States of America.
The US adopted the name 'dollars' and started using decimal coinage.
Scottish geologist James Hutton publicly read his theory on uniformitarianism for the first time at the Royal Society of Edinburgh.
Benjamin Franklin announced his invention of bifocal eyeglasses.
Richard Crosbie became the first Irish man to fly a hot air balloon in Ireland.
Hot air balloon crosses the English Channel.
French aviator Élisabeth Thible became the first woman to fly an untethered hot air balloon.
The First American Regiment was authorized by the Continental Congress proceeding the American Revolutionary War.
John Wesley opened the first Methodist Church in the US.
William Pitt the Younger became the youngest British Prime Minister ever at age 24.
French chemistry and physics teacher Jean-François Pilâtre de Rozier made his first successful balloon flight.
John Austin became the last person to be publicly hanged on London's Tyburn Gallows.
Mozart's Symphony No.36 premiered in Linz, Austria.
US Founding Father, Benjamin Franklin, wrote, 'There never was a good war or a bad peace,' in a letter to Josiah Quincy.
The United States and Great Britain signed the Treaty of Paris, ending the Revolutionary war.
A great ball of fire was witnessed over the east coast of Great Britain.
Mount Asama erupted in Japan, killing around 1,400 people.
A violent eight-month volcano eruption in Iceland started.
The Montgolfier brothers demonstrate the first hot air balloon.
British naval vessel HMS Royal George sank, and over 800 lives were lost.
George Washington created the Purple Heart medal that symbolizes military merit.
The opera 'Die Entführung aus dem Serail' by Wolfgang Amadeus Mozart premiered in Vienna, Austria.
After years of discussions, the US adopted the Great Seal national symbol, which features the iconic bald eagle.
The first US commercial bank, The Bank of North America, opened in Philadelphia.
The American Revolutionary War hostiles ended after the British conceded at Yorktown.
Wolfgang Mozart's opera 'Idomeneo' premiered at the Cuvilliés Theatre in Munich, Germany.
John Hancock became the first Governor of Massachusetts after winning 90% of the votes in the Massachusetts Constitution.
During the American Revolutionary War, John André, a British Army officer, was hanged as a spy by the Continental Army.
British Major John André was captured and searched by three Westchester militiamen near Tarrytown, New York, USA.
American Academy of Arts & Science was established in Boston with James Bowdoin, John, and Samuel Adams as founding members.
John Adams was selected to negotiate a peace treaty of commerce with Great Britain following the Revolutionary war.
Four men became the first recorded climbers to complete a successful ascent of Triglav, Slovenia's highest peak.
Louis XVI of France declared war on Great Britain during the American Revolution.
Captain James Cook became the first European to travel to the Hawaiian islands.
Kiritimati, also called Christmas Island, is discovered by James Cook.
Virginia became the first state to ratify the Articles of Confederation.
City of San Jose founded.
The Continental Congress ratified the Articles of Confederation, the first government rule for the newly-formed United States of America.
During the American Revolution, Lancaster in Pennsylvania became the capital of the United States for just one day.
The state of Vermont became the first to abolish adult slavery after declaring the Constitution of Vermont.
The Second Continental Congress met to create the US flag with stars and stripes.