Terror of the Zygons. Exact date is conjecture. Broton, disguised as the Duke of Forgill, says the monastery was built in the 11th century. Around this time, the Convent of the Little Sisters of St. Gudula is founded. The Stones of Blood.
Exact date is conjecture.
The convent is said to have been founded in the 12th century. The other end of the Borad's Timelash, originating in 1985 on the planet Karfel, is in this time zone, around the Loch Ness area of Scotland. 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.