Parents
Spouse
Siblings
1913
Aug 4
| 1913 • French physicist Georges Sagnac shows that light propagates at a speed independent of the speed of its source. |
1920
Age: 6y
| 1920 • The Ruhr Red Army, a communist army 60,000 men strong, is formed in Germany. |
1930
Age: 16y
| 1930 • The radio drama The Shadow airs for the first time in the United States. |
about
Jun
Age: 25y
1939
Jun
Age: 25y
birth of childCharles Lee Smith Missouri, USA ⇓ |
| 1939 • Britain offers a "guarantee" to Romania and Greece. |
1940
Apr 11
Age: 26y
| 1940 • Walter Knott begins construction of Ghost town replica which would soon evolve into Knotts Berry Farm |
1943
Apr 25
Age: 29y
birth of childReta Kay Smith Ottumwa, Iowa, USA ⇓ 1 Source ⇓ |
| 1943 • Albert Hofmann self-administers the hallucinogenic drug LSD (which he first synthesized in 1938) for the first time in history, and records the details of his experience (April 22). |
2009
May 28
Age: 95y
| 2009 • Austria, Japan, Mexico, Turkey, and Uganda assume their seats on the United Nations Security Council. |