1875
Jan 8
| 1875 • Roman Catholic Archbishop of New York John McCloskey is named the first cardinal in the United States. |
1899
Jun
Age: 24y
|
marriageIda Harriger Pennsylvania, USA ⇓ 1 Source ⇓ |
| 1899 • David Hilbert creates the modern concept of geometry with the publication of his book Grundlagen der Geometrie. |
1900
Feb 26
Age: 25y
|
birth of childGertrude Ellen Hidinger 3 Sources ⇓ |
| 1900 • The United Kingdom and the United States sign a treaty for the building of a Central American shipping canal across Central America in Nicaragua. |
1910
Age: 34y
1950
Age: 74y
| 1950 • The last Kuomintang troops surrender in mainland China. |
1932
Mar 26
Age: 57y
| 1932 • The Polish Cipher Bureau breaks the German Enigma cipher. |