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1st Oceans (4.4 billion years ago)
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1st Continents (4.4 billion years ago)
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1st Rock (4.28 billion years ago)
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Impact the Formed Earth's Moon (3.9 billion years ago)
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1st Crust Solidified (3.3 billion years ago)
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1st Oxygen (2.5 billion years ago)
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Photosynthesis Begins (2.5 billion years ago)
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1st atmosphere (2.45 billion years ago)
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Rodinia Forms (1.1 billion years ago)
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Rodinia Breaks apart(750 million years ago)
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1st plants (700 million years ago)
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"Snowball" Earth (650 Million years ago)
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1st organisms (600 Million years)
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Pangea forms (600 million years ago)
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Pangea breaks apart (540 million years ago)
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1st fish (530 million years ago)
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1st Vertibrates (500 million years ago)
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Mass extinction: Ordovician- Silurian Extinction
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1st winged insects (400 million years ago)
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Mass extinction: Late devonian extinction (365 million years ago)
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1st Amphibians (365 million years ago)
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1st Cockroaches (350 million years ago)
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1st reptiles (300 million years ago)
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Moderd day continents form (250 million years ago)
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Mass Extinction: Permian- Triassic Extinction (251 million years ago)
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1st Dinosaurs (230 million years)
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Mass extinction: Triassic- Jurassic extinction (205 million years ago)
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!st mammals (200 million years ago)
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1st Birds (150 million years ago)
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Mass extinction: insaur extinction (65 million years)
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1st Butterflies (50 million years)
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1st large primates (22 million years)
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Industrial Revolution (1700- 1900)
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WWI (1914- 1918)
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WWII (1939-1945)
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Discovery of Americ (October 12, 1492)
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Revolutionary War(1775-1783)
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Constitution Signed(sep 17, 1787)
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Grand Canyon discovered (1540)
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Renaissance period (1400-1700)
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1st automobile(1769)
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1st Airplane (1903)
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1st Computer (1946)
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City of Frisco founded (1902)
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state of Texas founded (December 29, 1845)
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Frisco High School founded (1902)
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Moon Landing (Sep 13, 1959)
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1st Atomic Bomb (July 16, 1945)
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1st Motion Picture (1879)
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1st Television (1923)
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My Birthday (June 23, 1994)
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1st Radio (1895)