“At some point in the late 2260s, the Fourth Doctor visited the planet Aprilia III in a parallel...2260s
“The major event of the 2250s was the near-extinction of the Argolin race — then led by Theron —...2250s
“A major trial in the 2200s was the war between humanity and the Selachians. The Second Doctor...2200s
“The 2210s was a decade visited at least three times by the Doctor. In 2211, the Eighth Doctor...2210s
“The Earth of the 2220s was visited by the Doctor on at least two different occasions. In 2221...2220s
“The 2230s was a fateful decade in the history of the human colony planet of New Canaan. Gaining...2230s
This category has the following 9 subcategories, out of 9 total.