LaBudde | Missouri Constitution Collection
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Scope and Content of Collection
Materials in this collection pertain to the formation of Missouri’s fourth constitution, adopted in 1945. Inclusive dates in the collection are 1944-1945.
Missouri's first constitution was written in 1820. In 1865, a constitutional convention gave birth to the state's second constitution. Another convention ten years later resulted in the third constitution. A convention in 1942 brought about Missouri's fourth constitution, ratified in 1945, which provided for three branches of government: legislative (the Missouri General Assembly), executive (the Governor of Missouri), and judicial (the Missouri Supreme Court). The Constitution of 1945, including dozens of amendments since its inception, remains Missouri's rule of law.