Historical events in 1786
- The first shipyard opens on The River Spey
- Wilhelm Carl Grimm (d.1859), compiler of "Grimm's Fairytales," was born in Germany.
- Sir John Franklin, arctic explorer, was born. He discovered the North-West Passage.
- The opera "The Marriage of Figaro," by Wolfgang Amadeus Mozart, premiered in Vienna.
- Winfield Scott, U.S. Army general famous for his victories in the War of 1812 and the War with Mexico, was born.
- Morocco agreed to stop attacking American ships in the Mediterranean for a payment of $10,000.
- The US Congress adopted the silver dollar and decimal system of money.
- Frederick the Great (b.1712) died.
- Jacques Balmat and Dr. Michel-Gabriel Paccard became the first men to climb Mont Blanc in France.
- Davy Crockett, American frontiersman and politician who died in the defense of the Alamo, was born.
- In Scotland. The National Lighthouse Board was created to minimize the dangers of the seacoast to ships.
- George Washington called for the abolition of slavery.
- Two French ships appeared off the coast of Monterey, the first foreign vessels to visit Spain's California colonies.
- Harvard University organized the 1st astronomical expedition in US.
- Scotsman Gregor MacGregor (d.1845), later known as His Serene Highness Gregor I, Prince of Poyais, was born in Scotland.
- Andres Lopez of Mexico painted "Sacred Heart of Jesus."
- Tiepolo painted "The Third Temptation of Jesus."
- Robert Burns published his first book of poetry in Kilmarnock, Scotland.
- Meg Nicholson (d.1828) attempted to stab King George III. She was sent to Bedlam and died there at age 77.
- French explorer Jean-Francois de Galaup de la Perouse set foot near Makena Beach on the Hawaiian island of Maui.
- Capt.
Francis Light landed in Penang and built Fort Cornwallis. Light, acting
on behalf of the East India Company, swindled the island from the
ruling sultan with a promise of protection. The British usurped the
land to break the Dutch monopoly on the spice trade.
- Scotland. New Lanark Mills are the biggest cotton mills in the world.