1880
| 1880 • The SS Columbia, which will be the first outside usage of Thomas Edison's incandescent light bulb, is launched at the Delaware River Iron Shipbuilding and Engine Works of John Roach and Sons in Chester, Pennsylvania. |
1910
Age: 30y
residenceClarion County, Pennsylvania, USA ⇓ Age in 1910: 30Marital Status: Married; Relation to Head of House: Wife 1 Source ⇓ |
| 1910 • The electric streetcars of Austria-Hungary, France, Germany and Great Britain are carrying 6.7 million riders per year. |
1920
Age: 40y
residenceRichland, Clarion, Pennsylvania, USA ⇓ Age: 40Marital Status: Married; Relation to Head of House: Wife 1 Source ⇓ |
| 1920 • Polish–Soviet War: The Red Army retakes Kiev. |
1930
Age: 50y
residenceBridgewater, Beaver, Pennsylvania, USA ⇓ Age: 50Marital Status: Married; Relation to Head of House: Wife 1 Source ⇓ |
| 1930 • The Chittagong Rebellion begins in India with the Chittagong armoury raid. |
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
| 1940 • President of the United States Franklin D. Roosevelt, addressing a joint session of the U.S. Congress, asks for an extraordinary credit of approximately $900 million to finance construction of at least 50,000 airplanes per year. |