1666

August and September

 * In late August, the Doctor, Adric, Nyssa, and Tegan arrive in London on the trail of a Terileptil invasion. A few days later, on 2nd September, the Doctor accidentally starts the Great Fire of London, which burns until 5th September. (DW: The Visitation)

Dates unknown

 * George Mortimer, Helen Mortimer, Ida Mortimer and Alan Mortimer are rescued from the Great Fire by the First Doctor. (DWA: Doctor Who and the Invasion from Space)