Parents
Spouse
Children
Siblings
1869
Feb 23
| 1869 • Mendeleev makes a formal presentation of his periodic table to the Russian Chemical Society. |
1870
Age: 9m
| 1870 • Anaheim, California is incorporated. |
1880
Age: 10y
| 1880 • The Department of Scientific Temperance Instruction of the Women's Christian Temperance Union is established. |
1905
Age: 35y
birth of childMartha K Johnson |
| 1905 • First performance of Franz Lehár's operetta The Merry Widow, at the Theater an der Wien, Vienna. |
1907
Age: 37y
birth of childFrank J Johnson |
| 1907 • The triode thermionic amplifier invented by Lee de Forest, starting the development of electronics as a practical technology. |
1907
Feb 27
Age: 38y
marriageMary Ring Pemiscot, Missouri, USA ⇓ 1 Source ⇓ |
| 1907 • The first taxicabs with taxi meters begin operating in London. |
1909
Age: 39y
birth of childClarence L Johnson |
| 1909 • French forces capture Abéché, capital of the Ouaddai Kingdom in central Africa. |
1910
Apr 19
Age: 41y
|
residenceKansas City, Jackson, Missouri, USA ⇓ Working as a house builder 1 Source ⇓ |
| 1910 • Henry Ford sells 10,000 automobiles. |
1936
Dec 18
Age: 67y
| 1936 • Anglo-Egyptian Treaty of 1936 is signed. |