Houston MLB team changes from Colt .45s to Astros on Dec. 1, 1964
Today In 1964: The Houston Colt .45s - Baseball by BSmile
When the Colt .45s became the Astros and the origins of other
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The Houston Colt .45s Baseball Club 1962-1964
September 27 1964 Colt 45's walk-off victory in the last game
It's been 57 years since the Houston Astros were the Colt .45s
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