Environmental Timeline By Tank Davis Sep 20, 1400 Agricutural Revolution Sep 20, 1633 Bernardo Razzimazi Sep 20, 1706 Thomas Malthus Sep 20, 1750 Industrial Revolution Sep 20, 1908 General Motors Sep 20, 1933 Civilian Conservation Corps Sep 20, 1939 WWII Sep 20, 1985 Rainbow Warrior (sunk) Sep 20, 1986 Chernobyl Sep 20, 1989 Exxon Valdez Sep 20, 1990 Persian Gulf War Sep 20, 1994 China 3 Gorges Dam Sep 20, 2006 An Inconvenient Truth