The Borad is banished to this time by the 6th Doctor and may, at times, be mistaken for the Loch Ness Monster. After refusing to do business with the Emir el Akir, the Emir has Haroun ed Diin's wife and son killed, his house destroyed, and his eldest daughter added to his harem. During the third Crusade, the 1st Doctor and Vicki get involved in court intrigue at Richard I's palace in Jaffa, while Ian rescues Barbara from the evil Emir el Akir. This story appears to take place a year or so after Richard I took Jaffa. Invasion of the Dinosaurs.
Exact date is conjecture.
The man says that King Richard is away at the Crusades. A medieval knight from this era is pulled forward through time by the Master to attack a UNIT convoy. The Time Monster. Exact date is conjecture. Williams' cousin, Sir Geoffrey de Lacey, is summoned to London in order to take the Crusader's Oath with King John in a week.