Courtney Starr By courtstarr 150 Texas was found 250 Ordovician Silurian Extinction Even 400 Renaissance period Sep 26, 600 Rodinia Breaks Apart Sep 26, 602 Modern Day Continents Form May 31, 630 Pangea Breaks Apart Oct 12, 1492 Discovery of America Sep 1, 1540 Grand Canyon discovered Sep 21, 1769 1st automobile Jan 1, 1775 Revolutionary War Sep 17, 1787 Constitution signed Dec 29, 1902 Frisco High School Dec 31, 1902 Frisco was found Dec 17, 1903 1st Airplane Sep 21, 1936 1st Computer Jul 16, 1945 1st Atomic Bomb May 2, 2010 MY BIRTHDAY Mar 2, 2022 1st Mammals
