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The Liri Valley is a geographical area in central Italy, primarily defined by the Liri River. The river itself is formed by two streams, the Rapido and the Liri, and flows for approximately 100 miles (161 km) into the Tyrrhenian Sea.

During the winter of 1943-1944, the Liri Valley was a significant site of fighting as Allied forces advanced toward Rome. Heavy battles occurred along the Rapido and Liri rivers, with Allied forces eventually crossing them in April 1944.1

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2 Britannica Sources
  1. Liri River
  2. Liri

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