1880
| 1880 • Tinius Olsen awarded a United States Patent for the Little Giant Testing Machine |
1910
Age: 30y
residenceClarion County, Pennsylvania, USA ⇓ Age in 1910: 30Marital Status: Married; Relation to Head of House: Self; Relation to Head of House: Head 1 Source ⇓ |
| 1910 • George V becomes King of the United Kingdom upon the death of his father, Edward VII. |
1920
Age: 40y
residenceRichland, Clarion, Pennsylvania, USA ⇓ Age: 40Marital Status: Married; Relation to Head of House: Head 1 Source ⇓ |
| 1920 • Ganja Revolt: Anti-Soviet opposition in the Azerbaijan SSR launches an abortive revolt in Ganja. |
1930
Age: 50y
residenceBridgewater, Beaver, Pennsylvania, USA ⇓ Age: 50Marital Status: Married; Relation to Head of House: Head 1 Source ⇓ |
| 1930 • The Seventh Lambeth Conference of Anglican bishops opens. This conference approves the use of birth control in limited circumstances, a move away from the Christian views on contraception expressed by the Sixth Conference a decade earlier. |
1935
Age: 55y
| 1935 • Earl W. Bascom and his brother Weldon produce the first night rodeo held outdoors under electric lights at Columbia, Mississippi. |
1940
Apr 1
Age: 60y
residenceBridgewater, Beaver, Pennsylvania, USA ⇓ Age: 60Marital Status: Married; Relation to Head of House: Head 1 Source ⇓ |
| 1940 • United States presidential election, 1940: Democrat incumbent Franklin D. Roosevelt defeats Republican challenger Wendell Willkie and becomes the United States' first and only third-term president. |