Hungary

Hungary was a country in eastern Europe. Its capital city was Budapest. (AUDIO: The Labyrinth of Buda Castle)

Hungarian was spoken in Hungary. (AUDIO: No More Lies, The Labyrinth of Buda Castle)

The Doctor's TARDIS had a Hungarian bathroom. (PROSE: Chasing the Dawn)

Early history
Hungary was attacked by the Mongol Empire following their siege of Kiev in 1240. (PROSE: Bunker Soldiers)

In 1462, Matthias was the King of Hungary. (AUDIO: Son of the Dragon)

20th century
In World War I, Austria-Hungary fought with Germany against Great Britain and France. (TV: The War Games)

In 1956, Hungary was invaded by the Soviet Union. (AUDIO: 1963: The Assassination Games)

In 1980, the Fourth Doctor and Romana II visited Budapest. (AUDIO: The Labyrinth of Buda Castle)

In 1989, the Communist regime in Hungary was overthrown. (COMIC: The Broken Man)

21st century
In 2018, Ramón Salamander triggered volcanic eruptions in Hungary as part of his plan to take control of Earth. (TV: The Enemy of the World)