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  He was born
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  He Finishes his book and waites for his book to be publish
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  He died
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  Was Born
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  First known Astronamical Observation
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  Had seen for the first time the four largest moons orbit around Jupiter.
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  Observations of Venus Began
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  Dialouge Concerning the two chief world systems
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  Discourses and mathematical Demonstration
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  Was Born
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  He proved that white light was compiosed of all colors
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  He publishes Mathmatical principles of natural philosophy
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  Represtended Cambrin University in the Parliment
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  He was knighted by Queen Anne
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  DIed
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  Was Born
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  Attended and graduated from the university of chicago, from 1906-1910. On June 14.
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  Law of The Universe Expanding
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  Demonstrates that there are galaxies beyond the milky way
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  Discovered asteriod 1373
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  He helped build the Hale Telescope, From 1941 to 1948
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  Dies if a Heart Attak
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