Milestones Archives - Page 26 of 31

1820 AD

The Arithmometer was the first mass-produced calculator invented by Charles Xavier Thomas de Colmar.

Iconoscope invented by Vladimir Zworykin.

Atomic bomb dropped on Hiroshima and Nagasaki, Japan

The Rights of Man, written by Thomas Paine is published.

Gregory I, known as Gregory the Great becomes Pope.

The city of Rome is ransacked by The Gauls from France.

The New Kingdom phase in Egypt is over when Rameses XI dies. Smendes ascends to Pharaoh and forms the XXIst Dynasty.

The very first year on the Egyptian calendar.

The wheel is invented and begins to be used.

First Mithridatic War begins between Rome and the Kingdom of Pontus.

Photophone invented by Alexander Graham Bell.

Crucifixion of Jesus ordered by Pilate.