about
1777
| 1777 • American Revolutionary War – British troops occupy Philadelphia; members of the Continental Congress flee to Lancaster, Pennsylvania. |
about
Age: 41y
1818
Age: 41y
|
birth of childMary Downs Ireland ⇓ 2 Sources ⇓ |
| 1818 • Mary Shelley's Frankenstein is published anonymously in London. |
1850
Age: 73y
| 1850 • Lehman Brothers is established in Montgomery, Alabama. |
1870
Jun 22
Age: 93y
| 1870 • The Army Weather Bureau (within the Army Signal Corps) is created. |