1757 – British troops occupy Calcutta India

1839 – 1st photo of the Moon (French photographer Louis Daguerre)

1905 – Elara, a satellite of Jupiter, discovered by Charles Dillon Perrine in San Jose, California

1906 – Willis Carrier recieves a US patent for the world’s first air conditioner

1913 – Mahatma Gandhi leaves the Tolstoy Farm in Transvaal, South Africa.

1941 – World War II: The U.S. government announces its Liberty ship program to build freighters in support of the war effort.

1942 – WWII: 28 nations at war with Axis powers, pledge no separate peace deals

1944 – 1st use of helicopters during warfare (British Atlantic patrol)