1887
Apr 11
| 1887 • Heinrich Hertz discovers the photoelectric effect on the production and reception of electromagnetic (EM) waves (radio). This was an important step towards the understanding of the quantum nature of light. |
1915
Oct 6
Age: 28y
|
marriageMargaret Elizabeth Fitzpatrick Seattle, King, Washington, USA ⇓ 1 Source ⇓ |
| 1915 • The United States House of Representatives rejects a proposal to give women the right to vote. |
about
Age: 31y
1919
Age: 31y
|
birth of childJohn Bagnall Jr. 2 Sources ⇓ |
| 1919 • 27 – United States Navy Curtiss flying boat NC-4 commanded by Albert Cushing Read makes the first transatlantic flight, from Naval Air Station Rockaway to Lisbon via Trepassey, Newfoundland (departs May 16) and the Azores (arrives May 17). (On May 30–31 it flies on to Plymouth in England.) |
1920
Age: 32y
| 1920 • The National Football League is established as the American Professional Football Association. |
1956
Mar 12
Age: 68y
| 1956 • Pakistan becomes the first Islamic republic, and a national holiday is observed in the country including the former East Pakistan state. |