Timeline of the 20th century. By facebooker_435407566667849 Apr 14, 1912 Sinking of titanic. Dec 1, 1913 Ford introduced first assemble line. Jun 28, 1914 Beginning of First World War. Apr 22, 1915 First poisoning gas used in a war. Nov 11, 1918 End of world war 1. Nov 9, 1921 Albert Einstein is awarded the Noble prize of physics. Oct 29, 1929 Wall Street crash of 1929 black Thursday Jun 15, 1939 Spanish civil war. Sep 1, 1939 Beginning of Second World War. Dec 7, 1941 Attack on pearl Harbor May 8, 1945 The war ends in. Europe. Aug 6, 1945 Atomic bomb of Hiroshima and Nagasaki Aug 15, 1947 Independence of India. Jun 25, 1950 Korea war Oct 14, 1952 Explosion of the first hydrogen bomb Oct 4, 1957 Sputnik satallitle. Aug 13, 1961 Construction of Berlin Wall. Nov 22, 1963 Assassination of John F.Kennedy Jun 10, 1967 Six-day war Jun 20, 1969 First Moon Landing Oct 16, 1978 Pope John Paul II succeeds John Paul I Dec 3, 1984 Bhopal disaster in India. Apr 26, 1986 Chernobyl disaster Nov 9, 1989 Fall of Berlin Dec 14, 1995 Bosnian War Jul 4, 1997 Mars-Rovers Lands on Mars Jan 1, 2000 Millenium