Serbia

Serbia was a European country.

20th century
Mileva Einstein was a Serbian physicist and mathematician who married Albert Einstein. (PROSE: Einstein and the Doctor)

In 1914, World War I began when Austria invaded Serbia in response to the assassination of Archduke Franz Ferdinand by a Serbian, Gavrilo Princip. Russia and France were allied with Serbia. (PROSE: Human Nature, COMIC: The Dalek Project)

Lord Tamworth served in Serbia. (AUDIO: Storm Warning)

Tegan Jovanka's grandparents were Serbian. (PROSE: Goth Opera, Divided Loyalties)

In 1993, Serbia was involved with a conflict on the border of Bosnia and Croatia. Serbian spokesmen alleged that an army of the Undead would arise to help them in their final battle. (PROSE: Goth Opera)

21st century
In 2003, posed as Branko Gospodar, a businessman from Serbia. (PROSE: The Quantum Archangel)

In March 2007, an archaeological dig in Serbia uncovered a lost play by Aristotle. (PROSE: The Spindle of Necessity)