British rule established in India.
Caesar is assassinated.
The Communist party lead by Mao Zedong comes to power in China.
Charles Darwin publishes The Origin of Species.
German mathematician-philosopher Gottfried Wilhelm von Leibniz, recognised as one of the founding fathers of calculus, designs a calculating machine called the Step Reckoner.
The Picts are defeated by Kenneth MacAlpine (King of the Scots) and a new unified Scotland is established.
Aisha and Muhammad are married.
Stock ticker invented by Thomas Alva Edison.
William Herschel discovers the planet Uranus.
Vacuum pump invented by Otto von Guericke.
The Millennium Bug (Year 2000 Problem, Y2k) arises.