Taylor Hobbs timeline By fhsess Jan 1, 2011 1st rock Jan 1, 2011 1st plant Jan 1, 2011 1st organism Jan 2, 2011 1st vertebrates Feb 1, 2011 Rodinia forms Feb 1, 2011 1st fish Feb 2, 2011 1st reptiles Feb 2, 2011 1st cockroach Feb 3, 2011 1st amphibians Feb 3, 2011 1st winged insects Feb 5, 2011 first dinosaurs Feb 22, 2011 1st birds Feb 27, 2011 Rodinia breaks apart Mar 1, 2011 dinosaur extinction Mar 2, 2011 1st mammal Apr 1, 2011 renaissance period May 7, 2011 America discovered Jun 7, 2011 revolutionary war Jun 10, 2011 constitution signed Jul 7, 2011 WWI Jul 7, 2011 1st automobile Aug 7, 2011 WWII Aug 7, 2011 1st atomic bomb Oct 7, 2011 1st airplane Dec 31, 2011 1st computer