Input interpretation
humboldtine (mineral) | discovery year
Result
1821
Time from today
The year 1821 was 199 years ago.
Date range
Monday, January 1, 1821 to Monday, December 31, 1821
Jewish calendar | 27 Tevet, 5581 (until sunset) to 7 Tevet, 5582 (until sunset) Islamic calendar | 26 Rabia I, 1236 (until sunset) to 6 Rabia II, 1237 (until sunset) Chinese lunar calendar | 28 shiyiyue, 4517 to 8 shieryue, 4518
Notable events in 1821
March 25: Greece gains independence from Turkey
June 24: Battle of Carabobo
August 4: first publication of "Saturday Evening Post"
August 10: Missouri statehood
August 24: Mexican War of Independence ends
September 15: Guatemala declares independence
September 15: Honduras declares independence
September 15: Nicaragua declares independence
September 27: Mexico declares independence
November 16: Santa Fe Trail opens
Calendar
January Su | Mo | Tu | We | Th | Fr | Sa | 1 | 2 | 3 | 4 | 5 | 6 7 | 8 | 9 | 10 | 11 | 12 | 13 14 | 15 | 16 | 17 | 18 | 19 | 20 21 | 22 | 23 | 24 | 25 | 26 | 27 28 | 29 | 30 | 31 | | | | February Su | Mo | Tu | We | Th | Fr | Sa | | | | 1 | 2 | 3 4 | 5 | 6 | 7 | 8 | 9 | 10 11 | 12 | 13 | 14 | 15 | 16 | 17 18 | 19 | 20 | 21 | 22 | 23 | 24 25 | 26 | 27 | 28 | | | March Su | Mo | Tu | We | Th | Fr | Sa | | | | 1 | 2 | 3 4 | 5 | 6 | 7 | 8 | 9 | 10 11 | 12 | 13 | 14 | 15 | 16 | 17 18 | 19 | 20 | 21 | 22 | 23 | 24 25 | 26 | 27 | 28 | 29 | 30 | 31 | April Su | Mo | Tu | We | Th | Fr | Sa 1 | 2 | 3 | 4 | 5 | 6 | 7 8 | 9 | 10 | 11 | 12 | 13 | 14 15 | 16 | 17 | 18 | 19 | 20 | 21 22 | 23 | 24 | 25 | 26 | 27 | 28 29 | 30 | | | | | May Su | Mo | Tu | We | Th | Fr | Sa | | 1 | 2 | 3 | 4 | 5 6 | 7 | 8 | 9 | 10 | 11 | 12 13 | 14 | 15 | 16 | 17 | 18 | 19 20 | 21 | 22 | 23 | 24 | 25 | 26 27 | 28 | 29 | 30 | 31 | | | June Su | Mo | Tu | We | Th | Fr | Sa | | | | | 1 | 2 3 | 4 | 5 | 6 | 7 | 8 | 9 10 | 11 | 12 | 13 | 14 | 15 | 16 17 | 18 | 19 | 20 | 21 | 22 | 23 24 | 25 | 26 | 27 | 28 | 29 | 30 July Su | Mo | Tu | We | Th | Fr | Sa 1 | 2 | 3 | 4 | 5 | 6 | 7 8 | 9 | 10 | 11 | 12 | 13 | 14 15 | 16 | 17 | 18 | 19 | 20 | 21 22 | 23 | 24 | 25 | 26 | 27 | 28 29 | 30 | 31 | | | | | August Su | Mo | Tu | We | Th | Fr | Sa | | | 1 | 2 | 3 | 4 5 | 6 | 7 | 8 | 9 | 10 | 11 12 | 13 | 14 | 15 | 16 | 17 | 18 19 | 20 | 21 | 22 | 23 | 24 | 25 26 | 27 | 28 | 29 | 30 | 31 | September Su | Mo | Tu | We | Th | Fr | Sa | | | | | | 1 2 | 3 | 4 | 5 | 6 | 7 | 8 9 | 10 | 11 | 12 | 13 | 14 | 15 16 | 17 | 18 | 19 | 20 | 21 | 22 23 | 24 | 25 | 26 | 27 | 28 | 29 30 | | | | | | | October Su | Mo | Tu | We | Th | Fr | Sa | 1 | 2 | 3 | 4 | 5 | 6 7 | 8 | 9 | 10 | 11 | 12 | 13 14 | 15 | 16 | 17 | 18 | 19 | 20 21 | 22 | 23 | 24 | 25 | 26 | 27 28 | 29 | 30 | 31 | | | November Su | Mo | Tu | We | Th | Fr | Sa | | | | 1 | 2 | 3 4 | 5 | 6 | 7 | 8 | 9 | 10 11 | 12 | 13 | 14 | 15 | 16 | 17 18 | 19 | 20 | 21 | 22 | 23 | 24 25 | 26 | 27 | 28 | 29 | 30 | | December Su | Mo | Tu | We | Th | Fr | Sa | | | | | | 1 2 | 3 | 4 | 5 | 6 | 7 | 8 9 | 10 | 11 | 12 | 13 | 14 | 15 16 | 17 | 18 | 19 | 20 | 21 | 22 23 | 24 | 25 | 26 | 27 | 28 | 29 30 | 31 | | | | |