1819年
1819年 — 韩国: 화성(華城)의 성문에 괘서가 발생함 / 美国: Alabama becomes the 22nd state in the U.S
事件7条。正文照录原始年表原文，来源见来源与许可。上下灰色行是前后2年的脉络。
| 韩国朝鲜王朝 1392–1897 | 中国清朝 1636–1912 | 日本江户时代 1603–1868 | 美国美国 1776– |
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- 1817장수인 채수영(蔡壽永)이 홍경래(洪景來)가 살아있다는 등의 말로 사람을 모으고 난을 일으켜 도성까지 진격하려 했다는 혐의로 처벌됨
- 1817순흥부사 유계린(柳季麟) 부임
- 1821사현정(四賢井) 중건
| - 1820September — The Jiaqing Emperor died.
- 1820Poverty becomes endemic in the Eight Banners
- 1820October — The Jiaqing Emperor's son the Daoguang Emperor became emperor of the Qing dynasty.
| - 1821伊能忠敬、『大日本沿海輿地全図』を完成させる。
| - Alabama becomes the 22nd state in the U.S.EN
- McCulloch v. Maryland (17 US 316 1819) prohibits state laws from infringing upon federal constitutional authorityEN
- Panic of 1819EN
- African Slave Trade PatrolEN
- Adams-Onís Treaty, including acquisition of FloridaEN
- Dartmouth College v. Woodward (17 US 518 1819) protects principle of honoring contracts and chartersEN
- 1817Mississippi becomes the 20th state
- 1817Harvard Law School founded
- 1817Rush-Bagot Treaty
- 1818Illinois becomes the 21st state
- 1818Battle of Arroyo Grande (1818)
- 1818Jackson Purchase in Kentucky
- 1818Cumberland Road opened
- 1820Massachusetts divided in two with the admission of Maine as a state.
- 1820U.S. presidential election, 1820: James Monroe reelected president unopposed, Daniel D. Tompkins reelected vice president.
- 1820March 4, 1821 – President Monroe and Vice President Tompkins begin their second terms
- 1821亞當斯—奧尼斯條約
- 1821Missouri becomes a state
- 1821Treaty of Chicago
- 1821Florida becomes a U.S. territory; the 1819 Adams–Onís Treaty goes into effect
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