March 15 Spanish king Philip II puts 25,000 gold coins on head of prince Willem of Orange March 17 Prince Willem of Orange welcomed in Amsterdam April 11 Drenthe joins Union of Utrecht June 17 Battle at Hardenberg: Spanish troops beat rebels June 18 States of Utrecht forbid catholic worship June 25 Book of Concord, standards of Lutheran Church, 1st published June 27 Duke van Alva's army occupies Portugal August 25 Battle of Alcantara, Spain defeats Portugal September 19 Treaty of Plessis-lez-Tours (Anjou/Dutch States-General) September 26 Francis Drake with Spanish treasure returns to England November 9 Spanish troops lands in Ireland November 26 French Huguenots and Roman Catholics sign peace treaty