Births on October 23

William D. Coolidge

Born on October 23, 1873

William D. Coolidge, American physicist and engineer (d. 1975)

William David Coolidge (; October 23, 1873 – February 3, 1975) was an American physicist and engineer, who made major contributions to X-ray machines. He was the director of the General Electric Research Laboratory and a vice-president of the corporation. He was also famous for the development of "ductile tungsten", which is important for the incandescent light bulb.

References

William D. Coolidge

Choose Another Date

Events on 1873

18 Feb

Vasil Levski
Bulgarian revolutionary leader Vasil Levski is executed by hanging in Sofia by the Ottoman authorities.
22 Mar

Slavery in the Spanish New World colonies
The Spanish National Assembly abolishes slavery in Puerto Rico.
1 Jul

Canadian Confederation
Prince Edward Island joins into Canadian Confederation.
4 Aug

7th Cavalry Regiment
American Indian Wars: While protecting a railroad survey party in Montana, the United States 7th Cavalry, under Lieutenant Colonel George Armstrong Custer clashes for the first time with the Cheyenne and Lakota people near the Tongue River; only one man on each side is killed.
20 Oct

Princeton University
Yale, Princeton, Columbia, and Rutgers universities draft the first code of American football rules.

Births on October 23

William D. Coolidge

Born on October 23, 1873

References

Choose Another Date

Events on 1873

Vasil Levski

Slavery in the Spanish New World colonies

Canadian Confederation

7th Cavalry Regiment

Princeton University