2006 Colorado Amendment 43
Colorado Amendment 43 was a referendum approved by the voters in 2006 that added a new section to Article II of the Colorado Constitution to define marriage in Colorado as only a union between one man and one woman. It passed with 55% of votes. In November 2024, over 64% of Colorado voters called Amendment J repealed the 2006 anti-gay clause within the state constitution.
| Elections in Colorado | 
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