-
Jan 1, 1260
Roger Bacon
is a Franciscan monk in England -
Jan 1, 1500
Leonardo da vinci
drew plans and pictures of human powered flight -
Joseph and Jacques
Montgolfier of France tested their hot air balloon -
Sir George Cayley
studied animals flight and designed,flying machines -
Otto lilienthal
was the first heavier than air pilot -
Orville and Wilbur
of the united states built their own 12 horsepower gas engine and propeller and became the first humans to truly fly -
chuck yeager
chuck Yeager of the united states broke the sound barrier by flying faster than the speed of sound in a rocket -powerd x-1 plane.