Discovery is announced of the Kerguelen Plateau, an Antarctic sunken large island formerly joined to India, from the icebreaker Polarstern at its homeport of Bremerhaven, Germany, after a 19-month research voyage to Antarctica. //timesofindia.indiatimes.com/articleshow/2009270.cms (Times of India)
The Great Natchez Tornado: A massive tornado strikes Natchez, Mississippi during the early afternoon hours. Before it is over, 317 people are killed and 109 injured. It is the second deadliest tornado in U.S. history.
The Second Council of Lyons, held by the leadership of the Roman Catholic Church convenes to consider the liberation of the Holy Land via Crusades and address the East-West Schism with the Byzantine church. The Council eventually approves a tithe to support efforts to liberate the Holy Land from Muslims, and reaches apparent resolution of the schism which ultimately proves unsuccessful.
November ndash The diet at Nuremberg orders that all crown estates seized since the death of Frederick II, Holy Roman Emperor be restored to Rudolph I of Germany almost all European rulers agree, with the notable exception of King Otakar II of Bohemia, who had benefited greatly by conquering or otherwise coming into possession of many of those lands.
His interim chancellor and effective regent, Walter de Merton retires from royal service to make the final revisions to his statutes for the foundation of Merton College, Oxford and take up the post of Bishop of Rochester.
King Edward I of England finally returns from the Ninth Crusade to England to be crowned king, 2 years after his father King Henry III's death.
Pope Gregory X decrees that conclaves (meetings during which the electors have no contact with the outside) should be used for papal elections, reforming the electoral process which had taken over 3 years to elect him.