Diwrnod Mewn Hanes: Cwymp Wal Berlin

Diwrnod arbennig mewn hanes - Tachwedd 9, 1989. Dyma lyfr ffeithiau a lluniau am hanes dymchwel wal Berlin yn 1989. Addasiad o The Fall of the Berlin Wall (cyfres Days that Changed the World).

A look at the build-up to the momentous day, the factors that created history and the aftermath of the fall of the Berlin Wall in 1989.