1900
October Elsie Bell marries Gilbert Grosvenor, the National Geographic Magazine editor.
1901
Winter Bell invents the tetrahedral kite, whose shape of four triangular sides would prove to be light, strong, and rigid.
1905
April Daisy Bell marries botanist David Fairchild.
1907
October 1 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.
1909
February 23 The AEA's Silver Dart makes the first flight of a heavier-than-air machine in Canada.
1915
January 25 Alexander Graham 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 Alexander Graham Bell1919
September 9 Bell and Casey Baldwin's HD-4, a hydrofoil craft, sets a world marine speed record.
1922
August 2 Alexander Graham Bell dies and is buried at Beinn Bhreagh, Nova Scotia.
