Sam's Timeline By fhsess Jan 1, 2011 Impact That formed earth's moon Jan 8, 2011 1st Continents Jan 8, 2011 1st oceans Jan 18, 2011 1st rocks Mar 6, 2011 1st crust solidified Mar 23, 2011 1st organisms May 2, 2011 1st plants May 2, 2011 1st oxygen May 2, 2011 Photosynthesis begins May 26, 2011 1st atmosphere Oct 3, 2011 Rodinia forms Nov 1, 2011 Rodinia breaks apart Nov 10, 2011 "Snowball" Earth Nov 21, 2011 1st Fish Nov 21, 2011 1st vertebrates Nov 29, 2011 1st winged insects Nov 29, 2011 1st buterflies Nov 29, 2011 1st cockroaches Dec 2, 2011 1st amphibians Dec 7, 2011 1st Reptiles Dec 12, 2011 1st birds Dec 12, 2011 1st dinosaurs Dec 15, 2011 pangea forms Dec 15, 2011 1st mammals Dec 17, 2011 pangea breaks apart Dec 26, 2011 Dinosaur Extinction Dec 28, 2011 modern day continents form Dec 31, 2011 1st large primates Dec 31, 2011 industrial revolution Dec 31, 2011 World War 1 Dec 31, 2011 World War 2 Dec 31, 2011 Revolutionary War Dec 31, 2011 Constitution signed Dec 31, 2011 Discovery of America Dec 31, 2011 Grand Canyon Discovered Dec 31, 2011 Renaissance period Dec 31, 2011 1st Airplane Dec 31, 2011 1st automobile Dec 31, 2011 1st computer Dec 31, 2011 1st television Dec 31, 2011 1st motion picture Dec 31, 2011 City of Frisco founded Dec 31, 2011 State of texas founded Dec 31, 2011 frisco High School founded Dec 31, 2011 1st atomic bomb
