1900 to 1922
Elsie Bell marries Gilbert Grosvenor, the National Geographic Magazine editor.
Bell invents the tetrahedral kite, whose shape of four triangular sides would prove to be light, strong, and rigid.
Daisy Bell marries botanist David Fairchild.
October 1, 1907
Glenn Curtiss, Thomas Selfridge, Casey Baldwin, J.A.D. McCurdy, and Bell form the Aerial Experiment Association (AEA), which is funded by Mabel Hubbard Bell.
February 23, 1909
The AEA's Silver Dart makes the first flight of a heavier-than-air machine in Canada.
January 25, 1915
Bell takes part in the formal opening of the transcontinental telephone line by talking on the telephone in New York to Watson in San Francisco. Invitation from Theodore Vail to Bell
September 9, 1919
Bell and Casey Baldwin's HD-4, a hydrofoil craft, sets a world marine speed record.
August 2, 1922
Bell dies and is buried at Beinn Bhreagh, Nova Scotia.