1818年
1818年 — 美国: Illinois becomes the 21st state
事件4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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- 1816개성부(開城府)에서 필요한 경비를 보충하기 위해 동전을 주전 함조선왕조실록CD-ROM간행위원회,
- 1816호조판서 박종경(朴宗慶)이 대전(大錢)을 새로 주조할 것을 건의조선왕조실록CD-ROM간행위원회,
- 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
- 1819화성(華城)의 성문에 괘서가 발생함
| - 1816印尼坦博拉火山的爆发造成全球性气温下降，云南全省出现严重饥荒。（无夏之年）
- 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.
| | - Illinois becomes the 21st stateEN
- Battle of Arroyo Grande (1818)EN
- Jackson Purchase in KentuckyEN
- Cumberland Road openedEN
- 1816Indiana becomes the 19th state
- 1816U.S. presidential election, 1816: James Monroe elected president, Daniel D. Tompkins vice president
- 1816Second Bank of the United States chartered
- 1816March 4, 1817 – Monroe becomes the fifth president; Tompkins becomes the sixth vice president
- 1817Mississippi becomes the 20th state
- 1817Harvard Law School founded
- 1817Rush-Bagot Treaty
- 1819Alabama becomes the 22nd state in the U.S.
- 1819McCulloch v. Maryland (17 US 316 1819) prohibits state laws from infringing upon federal constitutional authority
- 1819Panic of 1819
- 1819African Slave Trade Patrol
- 1819Adams-Onís Treaty, including acquisition of Florida
- 1819Dartmouth College v. Woodward (17 US 518 1819) protects principle of honoring contracts and charters
- 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
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