May 20 Second Battle of Lincoln fought near Lincoln, England, resulting in the defeat of Prince Louis of France by William Marshal, 2nd Earl of Pembroke
Aug 18 First historical record of Scottish scholar Michael Scot, signs and dates his translation of al-Bitruji's "On the Sphere" in Toledo, Spain
Aug 24 Battle of South Foreland: English fleet beats France
Sep 12 French prince Louis & English King Henry III sign peace treaty
Sep 21 The Estonian tribal leader Lembitu of Lehola was killed in a battle against Teutonic Knights