Microsoft purchased Nokia for $7.2 billion.
Source
Sweden switched from driving on the left side of the road to the right side.
The United States and Great Britain signed the Treaty of Paris, ending the Revolutionary war.
Frederick Douglass escaped slavery in the US.
The Viking 2 became the second spacecraft to land on Mars.
MacKenzie Scott, Jeff Bezos' ex-wife, became the world's richest woman with a net worth of $68 billion.
