Roamy here, trying not to let my co-bloggers down. The Smithsonian Air and Space Museum tweets “This Day in History”, so let’s see what they dug out of the archive.
Independently, John Couch Adams in England and Urbain-Jean-Joseph Le Verrier in France calculated where an eighth planet might be that would account for the irregularities in Uranus’ orbit. On this day in 1846, the German astronomer Johann Galle used Le Verrier’s predictions to find the planet Neptune.
Orville Wright piloted the 1902 Glider for the first time.
Just nine years later, Earle Ovington made the first air mail flight for the U. S. post office.
And in 1972, the first production Grumman E-2C Hawkeye made its first flight. The Hawkeye is still active, providing airborne early warning.