The United Kingdom left the European Union, also known as “Brexit.”
The withdrawal agreement was ratified at 23:00.
Source
Jesse James's gang robbed up to $22,000 on a train at Gads Hill, Missouri, US.
'Family Guy' by Seth MacFarlane premiered on Fox.
Alvan Graham Clark discovered the white dwarf star Sirius B.
A chimpanzee named Ham became the first primate to go to space aboard the US MR-2 spacecraft.
The Spanish government became bankrupt.
