1871
| 1871 • George Biddell Airy discovers that astronomical aberration is independent of the local medium. |
1880
Age: 9y
residenceRichland, Guthrie, Iowa, USA ⇓ Age: 9Marital Status: Single; Relation to Head of House: Daughter 1 Source ⇓ |
| 1880 • In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway. |