The current Constitution of the Commonwealth of Pennsylvania, most recently revised in 1968, forms the law for the United States Commonwealth of Pennsylvania. Although considered a new document, it is heavily based on the previous Constitution of 1874, and is often considered a revision of the earlier version.
The state constitution may only be amended after a majority vote of two consecutive sessions of the General Assembly and an affirmative vote by the electorate. Emergency amendments are permitted by a vote of two-thirds of the General Assembly and an affirmative vote by the electorate within one month.
Pennsylvania has had five constitutions during its statehood: 1776, 1790, 1838, 1874, and 1968. Prior to that, the province of Pennsylvania was governed for a century by a book titled Frame of Government, written by William Penn, of which there were four versions: 1682, 1683, 1696, and 1701.
- The Constitution of the Commonwealth of Pennsylvania
- Pennsylvania's Constitutions and the Amendment Process - Where it Began, Where it is Now
- Pennsylvania Constitution Web Page
- Text of 1776 Constitution
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