Parents
Spouse
Children
Siblings
1887
Sep 28
| 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
|
marriageJohn Sampson Bagnall Seattle, King, Washington, USA ⇓ 1 Source ⇓ |
| 1915 • An extremely overloaded International Railway (New York – Ontario) trolley with 157 passengers crashes near Queenston, Ontario, resulting in 15 casualties. |
about
Age: 31y
1919
Age: 31y
|
birth of childJohn Bagnall Jr. 2 Sources ⇓ |
| 1919 • Mustafa Kemal Atatürk lands at Samsun on the Anatolian Black Sea coast, marking the start of the Turkish War of Independence. The anniversary of this event is also an official day of Turkish Youth. |
1920
Age: 32y
| 1920 • Venustiano Carranza is buried in Mexico City; all of his mourning allies are arrested. Adolfo de la Huerta is elected provisional president. |
1971
Feb 20
Age: 83y
| 1971 • Construction begins on the Louisiana Superdome in New Orleans. |