1679 - The expedition of Daniel Greysolon de Du Luth is the first European expedition, which arrives in Minnesota and the Mississippi calls.
1698 - Thomas Savery patented a steam engine.
1900 - The first flight of the LZ-1 bubble, designed by Count Ferdinand von Zeppelin, over Lake Constance, near Friedrichshafen, Germany.
1937 - Amelia Earhart disappears over the Pacific Ocean while attempting to make the first flight around the globe through the equator. Her body has never been found.
1957 - Use of the first submarine, which spews firearms, Grayback.
