May 13th, 1913
Igor Sikorsky becomes the first man to pilot a four-engine aircraft. event on May 13, 1913. Read about how to open files in Open File Database.
Events around May 13, 1913
| May 14th, 1913 | Event | New York Governor William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100 million donation from John D. Rockefeller. |
|
