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1st rock
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Period: to
US
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1st plant
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1st crust solidified
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1st organism
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1st Ocean
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1st Continent
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Photosynthesis Begins
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1st Atmosphere
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1st Oxygen
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Rodinia forms
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Rodinia Breaks Apart
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1st vertebrates and 1st fish
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"Snowball Earth"
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1st Winged Insect
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1st Reptile
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1st Cockroach
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1st Amphibian
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1st Dinosaur
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1st Bird
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Pangea Formed
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1st Mammal
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Pangea Breaks Apart
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Dinosaur Extinction-1st Large Primates
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Earths Moon Formed
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Today
Industrial Revolution-WWI-WWII-Revolutionary War-Constitution Singed-Discovery of America-Grand Canyon Discovered-Renaissance Period-1st Radio-1st Television-1st Motion Picture-1st Atomic Bomb-Moon Landing-My Birthday-Fhs Founded-State of Texas Founded-City of Frisco Founded-1st Computer-1st Airplane-1s Automobile-1st Butterfly-Modern Day Continents Form