Treaty of Blois (1572)
The Treaty of Blois was signed on 19 April 1572 in Blois between Queen Elizabeth of England and Catherine de' Medici of France. Based on the terms of the treaty, France and England relinquished their historic rivalry and established an alliance against Spain. Elizabeth expected the defensive treaty to isolate Spain and prevent France from invading Flanders.
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- Martin, Lynn A. (Summer, 1980). Papal Policy and the European Conflict, 1559-1572. Sixteenth Century Journal: Volume 11, No. 2, Catholic Reformation, pp. 35–48.