10. In November 1812, Napoleon Bonaparte lost around 30,000 men of his military while retreating across what river of Belarus?
From Quiz Europe: All about Belarus
Answer:
Berezina
Since this catastrophic loss of life for the French, the term "Berezina" has become a colloquial term for a disaster. Napoleon's main army, the Grande Armée, were forced to to retreat and destroy the bridges they had built on the river, leaving 10,000 people stranded on the east bank. 25,000 military combatants were killed, 30,000 non-combatants were killed.
The Berezina river is a right tributary of the Dnieper.