Belgium
Belgium was a nation in western Europe. It lay immediately to the north of France.
History
The Tenth Doctor rescued the kidnapped Charlemagne from Momus, an insane computer, in 800. (TV: The Unicorn and the Wasp, PROSE: The Lonely Computer)
In 1913, the Sixth Doctor and Peri Brown encountered Toby the Sapient Pig and Marcel Proust in a hotel in Ostende. (AUDIO: Year of the Pig)
In 1914, the Tenth Doctor visited the battlefields of the First World War in Belgium twice, once with Rose Tyler and once with Daniel Francis Thompson. (COMIC: Warfreekz!, PROSE: Deep and Dreamless Sleep)
In 1944, the Eighth Doctor, Samantha Jones and Fitz Kreiner become involved in the Battle of the Bulge. (PROSE: Autumn Mist)
In February 2001, Anji Kapoor and her boyfriend Dave Young encountered Kulan agents whilst in Brussels. Fitz Kreiner met them, suspecting the Eighth Doctor's involvement. Also in February 2001, Pierre-Yves Dudoin attempted to launch his Star Dart, but it was destroyed. (PROSE: Escape Velocity)
In 2007 the sale of Dogon eyes were somewhat popular with collectors of alien artefacts, especially in Belgium for some unknown reason. (TV: Random Shoes)
In the 2010s, a group of Cybermen under the control of Missy attacked Boat One while it was flying over Belgium. Missy breached the hull and allowed Kate Stewart, the Twelfth Doctor and the TARDIS to blown out of the aircraft. While in free fall, Kate was rescued by the Brigadier and the Doctor was able fall into his TARDIS. Under the instructions of Missy, the Cybermen blew up Boat One. (TV: Death in Heaven)
References
The collision of the TARDISes of the tenth and fifth incarnations threatened to blow a hole in the space-time continuum the exact size of Belgium, a somewhat anticlimactic apocalypse. (TV: Time Crash)
The Tenth Doctor's psychic paper convinced an Alexandra Palace security guard that the Doctor was the king of Belgium. (TV: The Idiot's Lantern)
Agatha Christie made her fictional detective Hercule Poirot a Belgian. (TV: The Unicorn and the Wasp)