On May 23, 1918, Katherine Stinson became the first woman hired by the post office to deliver airmail in the US. She had several other notable firsts and records in her short flying career.
On May 9, 1936, the Third International Philatelic Exhibition (TIPEX) opened at Grand Central Palace in New York City. The exhibition included the issue of a four-stamp souvenir sheet, a visit from he Hindenburg, and more.
On March 28, 1910, Henri Fabre made the first successful powered seaplane flight. Traveling over 1,900 feet and wowing a crowd of spectators, he inaugurated the seaplane and flying boat industry that would flourish for the next several decades.
On March 21, 1916, a group of mostly American pilots formed the Escadrille Américaine. Later named the Lafayette Escadrille, they flew several high-profile missions that encouraged more Americans to join their ranks.
On March 16, 1926, Robert H. Goddard launched his first liquid-fueled rocket in Auburn, Massachusetts. Though his work went largely unrecognized during his lifetime, today he’s known as the father modern rocketry.
On January 31, 1961, Mercury-Redstone 2 launched Ham the Chimp into space.
On January 11, 1935, Amelia Earhart became the first person to fly solo from Hawaii to California.
On January 7, 1785, mail was carried by an air vehicle for the first time.