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0315 Maine admitted to the Union
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0320 Iditarod Champian Libby Riddles
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0327 Washington DC Cherry Blossoms
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0330 William Seward buys Alaska
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0405 National Park Service beginnings
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0407 Billie Holiday
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0409 Lee Surrender and 0414 Lincoln Assassination
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0415 Jackie Robinson
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0422 Earth Day
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0425 Ella Fitzgerald
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0426 Olmstead
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0428 Billy the Kid
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0501 Benjamin Latrobe
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0506 Peary to the North Pole
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0507 Kentucky Derby
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0510 Transcontinental Railroad
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0513 Arlington National Cemetery
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0513 Early Conservation Movement
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0519 Grant Attacks Vicksburg
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0524 Samuel Morse and the first telegraphic message
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0527 Golden Gate Bridge
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0530 Memorial Day history and wishes
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0614 - Flag Day
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0616 Army Corps of Engineers
