June 5, 754: English monk Boniface, missionary to Germany, dies with 50 other Christians in an attack by angry pagans. The missionary, famous for smashing pagan idols, also established a monastery at Fulda that is still the center of Roman Catholicism in Germany.
June 5, 1191: England's Richard I (the Lion-hearted) of England sets sail for Muslim-controlled Acre in the Third Crusade. After helping Philip II, king of France, capture the city, Richard took Jaffa and negotiated Christian access to Jerusalem, also Muslim-controlled.
June 5, 1661: English mathematician and physicist Isaac Newton is admitted as a student to Trinity College, Cambridge. But the "greatest scientific genius the world has ever known" actually spent less of his life studying science than theology, writing 1.3 million words on biblical subjects.