who sends Walter de Coutances, archbishop of Rouen, with orders to lead negotiations, for a peace between John and William. April – John and William de Longchamp meet at Winchester to discuss their differences. Several senior bishops are appointed as arbitrators. At the end of the meeting, both John and William agree to follow the recommendations. William is to return Lincoln Castle to Gerard de Canville and accepts limits to his powers. In return, John is to surrender Nottingham and Tickhill castles. September – Geoffrey, illegitimate son of the late King Henry II and half-brother to Richard I and John, lands secretly at Dover. He has been consecrated as the new archbishop of York while in Tours, and on his return is arrested by William de Longchamp. Citing the Winchester treaty, John seeks a meeting with William. Geoffrey is freed, William flees and heads to Dover Castle. October – William de Longchamp tries to hold the Tower of London against John's supporters for three days. He surrenders the Tower and escapes to continue his support for Richard I. On October 29, William is captured when disguised as a female merchant. John orders that he be expelled from the country. Asia November 13 – Battle of Tarain: Sultan Muhammad of Ghor invades northern India, but is defeated by Rajput forces under Prithviraja III, ruler of Ajmer and Delhi. Prithviraj marches against the Ghurid army (some 100,000 men) with infantry, cavalry, and an elephant force. He repulses the Ghurid invasion near Taraori (some 70 miles of Delhi), Muhammad escapes the battlefield. The administration of the Taungoo region (modern Myanmar) is first recorded. King Narapatisithu appoints his son-in-law, Ananda Thuriya, as governor of Kanba Myint. King Jayavarman VII of the Khmer Empire sacks the capital of Champa (approximate date). By topic Religion March 20 – Pope Clement III dies at Rome after a pontificate of less than 3½ years. He is succeeded by the 85-year-old Celestine III as the 175th pope of the Catholic Church. The monks of Glastonbury Abbey dig up the remains of a large knight and a blonde woman, and announce they have discovered the tomb of King Arthur and Queen Guinevere. Births February 8 – Yaroslav II, Grand Prince of Vladimir (d. 1246) Geoffrey de Mandeville, English nobleman (approximate date) George IV (or Lasha Giorgi), king of Georgia (d. 1223) Joanna of Hohenstaufen, countess of Burgundy (d. 1205) Mafalda