1913
| 1913 • Igor Sikorsky becomes the first person to pilot a 4-engine fixed-wing aircraft. |
1920
Age: 7y
| 1920 • Polish troops take Vilnius. |
Age: 7y
| 1913 • Igor Sikorsky becomes the first person to pilot a 4-engine fixed-wing aircraft. |
| 1920 • Polish troops take Vilnius. |