Battle of Reykjavik
From Tardis Wiki, the free Doctor Who reference
The Battle of Reykjavik was fought in Iceland in the early 51st century during World War VI. The Filipino Army advanced on Reykjavik and overthrew the Supreme Alliance of Eastern States. The Alliance's Minister of Justice, Magnus Greel, fled to 19th century China using an experimental time cabinet created by Dr. Sa Yy Findecker. (DW: The Talons of Weng-Chiang)
One of the first four incarnations of the Doctor marched with the Filipino Army during the battle. He was able to avert the outbreak of war using information provided by the Fifth Doctor. (BFA: The Butcher of Brisbane)