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(By Year)
Short Title
Yes
No
Outcome
Type of Change
Initiative
Referendum
1974
Initiative
Referendum
2
Shall the death penalty be imposed upon persons convicted of class 1 felonies where certain mitigating circumstances are not present and cer
61%
38%
Adopted
Statutory
3
An amendment to section 12 of article X of the Constitution of the State of Colorado, relating to state moneys and reports of the State Trea
63%
36%
Adopted
Constitutional
4
An amendment to Section 2 of Article XI of the Constitution of the State of Colorado, concerning the supplying of energy and providing that
82%
17%
Adopted
Constitutional
5
An amendment to Article XX of the Constitution of the State of Colorado, concerning the modernization of annexation and consolidation procee
61%
38%
Adopted
Constitutional
6
An amendment to Articles IV, V, and XII of the Constitution of the State of Colorado, concerning the revision of functions and procedures of
59%
40%
Adopted
Constitutional
7
An amendment to Article X of the Constitution of the State of Colorado, removing the proceeds of the motor fuel tax on aviation fuel from th
56%
43%
Adopted
Constitutional
1972
1970
1968
1966
1964
1962
1960
1958
1956
1954
1952
1950
1948
1946
1944
1942
1940
1938
1936
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