Ballot initiative process: A primer
Direct democracy came to Colorado with the first ballot initiative that went before voters in 1880, an amendment regarding Uniform Taxes. It read: To Submit to the Qualified Electors of the State of Colorado an Amendment to Section Three of Article 10 of the Constitution of the State of Colorado, concerning Revenue. SECTION 3. All taxes shall be uniform upon the same class of subjects within the territorial limits of the authority levying the tax, and shall be levied and collected under general laws, which shall prescribe such regulations as shall secure a just valuation for taxation all prop...
Source: thefencepost.com