Spouse
Children
1866
| 1866 • The Calaveras Skull is discovered in California. Purported to be evidence of humans in North America during the Pliocene epoch, it turns out to be a hoax. |
1887
Jan 2
Age: 21y
|
marriageFriederich Wilhelm Roetzheim Chicago, Cook, Illinois, USA ⇓ 1 Source ⇓ |
| 1887 • Heyl & Patterson Inc., a pioneer in coal unloading equipment, is founded by Edmund W. Heyl and William J. Patterson. |
1887
Jul 4
Age: 21y
birth of childTheodore Roetzheim Chicago, Cook, Illinois, USA ⇓ |
| 1887 • The Associação Académica de Coimbra, the students' union of the University of Coimbra in Portugal, is founded. |
1889
Feb 14
Age: 23y
birth of childPauline A Roetzheim Chicago, Cook, Illinois, USA ⇓ 1 Source ⇓ |
| 1889 • Gustav Mahler's First Symphony premieres. |
1900
Age: 33y
| 1900 • Second Boer War: The British annex the Orange Free State as the Orange River Colony. |
1927
Age: 60y
| 1927 • The Food, Drug, and Insecticide Administration (FDIA) is established. |