1800 (disambiguation)Topics referred to by the same term / From Wikipedia, the free encyclopedia 1800 may refer to: 1800, events in the year 1800 19th century, 1801–1900 1800s decade, 1800-1809 UTC+08:00, time zone
1800 may refer to: 1800, events in the year 1800 19th century, 1801–1900 1800s decade, 1800-1809 UTC+08:00, time zone