Monroe Doctrine
1823 · Event
President James Monroe declares the Americas closed to further European colonisation, a cornerstone of US foreign policy for a century.
On these timelines: USA, Master
More from USA
- American Declaration of Independence (1776)
- American Civil War (1861)
- US Constitution (1787)
- George Washington (1732)
- Abraham Lincoln (1809)
- Emancipation Proclamation (1863)
- Cession of Louisiana to the US (1803)
- Franklin D. Roosevelt (1882)
Around 1823
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- First passenger railway opens (1825)
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