Ancient Romans used urine as mouthwash and to whiten teeth — the ammonia in stale urine was an effective cleaning agent.
Fact #3698
👍 0 · 👎 0
More History Facts
The Persian Empire maintained a large professional army.
Fact #1432 · History
The Napoleonic Wars reshaped Europe in the early 19th century.
Fact #1160 · History
The Industrial Revolution began in the 18th century.
Fact #96 · History
The Pentagon was completed during World War II.
Fact #1112 · History
The Declaration of Independence was signed in 1776.
Fact #53 · History
The Gupta Empire is often called the Golden Age of India.
Fact #601 · History
Ancient Greek triremes were warships with three rows of oars.
Fact #1450 · History
Ancient siege towers were used to scale city walls.
Fact #1447 · History
Want more facts?
We have over 11,441 facts across 15 categories.