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The original was posted on /r/todayilearned by /u/TriviaDuchess on 2025-02-23 04:41:20+00:00.

Original Title: TIL in the 52 BCE Battle of Alesia, Julius Caesar’s troops built 25 miles of earthen walls in a few weeks, including spiked trenches, hidden pits, water-filled moats, wooden walls, stakes with iron hooks, and hundreds of lookout towers. The Gauls lost 290,000 troops, to Caesar’s 12,800 casualties.