1832 — Alexandre-Gustave Eiffel born in Dijon, France
1884 — Eiffel completes internal skeleton for the Statue of Liberty
1886 — Contest announced to create tower entrance to 1889 Exposition Universelle
1887 — Eiffel wins contest and construction of tower begins
1889 — Exposition Universelle in Paris opens; Eiffel Tower opens to the public
1898 — First radio transmission is sent from the tower
1905 — First stair-climbing contest is held on the tower
1908 — French military uses the tower to send and receive radio messages
1910 — Paris officials sign contract allowing the tower to remain permanently
1915-1918 — Tower closed during World War I
1921 — First live radio program broadcast from the tower
1923 — Eiffel dies
1936 — Television antenna installed on top of tower
1940-1945 — Tower closed for World War II
1952 — First television program broadcast from the tower
1981-1982 — Renovations made to the tower
1989 — Philippe Petit walks on a wire across the Seine to second level of tower
2014 — Transparent first floor added to the tower