The Declration of Catholic Freedom in the Anglican Churches was an Royal Proclamation passed by King James II of the United Kingdom on 4 January 1688. The Proclamation granted Catholics the right to do anything they wanted in the United Kingdom's Protestant and Anglican churches.

The Proclamation also stated that the Church of Mngland could not contol the rights and freedoms of Catholic people, and prohibted the Church from using anti-Catholic measures. This Proclamation helped led to Jame's overthrow. William of the United Kingdom repealed the Proclamation in January 1689.

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