1818 (MDCCCXVIII) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1818th year of the Common Era (CE) and Anno Domini (AD) designations, the 818th year of the 2nd millennium, the 18th year of the 19th century, and the 9th year of the 1810s decade. As of the start of 1818, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1826 (MDCCCXXVI) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1826th year of the Common Era (CE) and Anno Domini (AD) designations, the 826th year of the 2nd millennium, the 26th year of the 19th century, and the 7th year of the 1820s decade. As of the start of 1826, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1920 (MCMXX) was a leap year starting on Thursday of the Gregorian calendar and a leap year starting on Wednesday of the Julian calendar, the 1920th year of the Common Era (CE) and Anno Domini (AD) designations, the 920th year of the 2nd millennium, the 20th year of the 20th century, and the 1st year of the 1920s decade. As of the start of 1920, the Gregorian calendar was 13 days ahead of the Julian calendar, which remained in localized use until 1923.
1809 (MDCCCIX) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1809th year of the Common Era (CE) and Anno Domini (AD) designations, the 809th year of the 2nd millennium, the 9th year of the 19th century, and the 10th and last year of the 1800s decade. As of the start of 1809, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1833 (MDCCCXXXIII) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1833rd year of the Common Era (CE) and Anno Domini (AD) designations, the 833rd year of the 2nd millennium, the 33rd year of the 19th century, and the 4th year of the 1830s decade. As of the start of 1833, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1807 (MDCCCVII) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1807th year of the Common Era (CE) and Anno Domini (AD) designations, the 807th year of the 2nd millennium, the 7th year of the 19th century, and the 8th year of the 1800s decade. As of the start of 1807, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
The 1820s was a decade of the Gregorian calendar that began on January 1, 1820, and ended on December 31, 1829.
1808 (MDCCCVIII) was a leap year starting on Friday of the Gregorian calendar and a leap year starting on Wednesday of the Julian calendar, the 1808th year of the Common Era (CE) and Anno Domini (AD) designations, the 808th year of the 2nd millennium, the 8th year of the 19th century, and the 9th year of the 1800s decade. As of the start of 1808, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1823 (MDCCCXXIII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1823rd year of the Common Era (CE) and Anno Domini (AD) designations, the 823rd year of the 2nd millennium, the 23rd year of the 19th century, and the 4th year of the 1820s decade. As of the start of 1823, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1812 (MDCCCXII) was a leap year starting on Wednesday of the Gregorian calendar and a leap year starting on Monday of the Julian calendar, the 1812th year of the Common Era (CE) and Anno Domini (AD) designations, the 812th year of the 2nd millennium, the 12th year of the 19th century, and the 3rd year of the 1810s decade. As of the start of 1812, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1837 (MDCCCXXXVII) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1837th year of the Common Era (CE) and Anno Domini (AD) designations, the 837th year of the 2nd millennium, the 37th year of the 19th century, and the 8th year of the 1830s decade. As of the start of 1837, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1819 (MDCCCXIX) was a common year starting on Friday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1819th year of the Common Era (CE) and Anno Domini (AD) designations, the 819th year of the 2nd millennium, the 19th year of the 19th century, and the 10th and last year of the 1810s decade. As of the start of 1819, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1827 (MDCCCXXVII) was a common year starting on Monday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1827th year of the Common Era (CE) and Anno Domini (AD) designations, the 827th year of the 2nd millennium, the 27th year of the 19th century, and the 8th year of the 1820s decade. As of the start of 1827, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1822 (MDCCCXXII) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1822nd year of the Common Era (CE) and Anno Domini (AD) designations, the 822nd year of the 2nd millennium, the 22nd year of the 19th century, and the 3rd year of the 1820s decade. As of the start of 1822, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1830 (MDCCCXXX) was a common year starting on Friday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1830th year of the Common Era (CE) and Anno Domini (AD) designations, the 830th year of the 2nd millennium, the 30th year of the 19th century, and the 1st year of the 1830s decade. As of the start of 1830, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1804 (MDCCCIV) was a leap year starting on Sunday of the Gregorian calendar and a leap year starting on Friday of the Julian calendar, the 1804th year of the Common Era (CE) and Anno Domini (AD) designations, the 804th year of the 2nd millennium, the 4th year of the 19th century, and the 5th year of the 1800s decade. As of the start of 1804, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1834 (MDCCCXXXIV) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1834th year of the Common Era (CE) and Anno Domini (AD) designations, the 834th year of the 2nd millennium, the 34th year of the 19th century, and the 5th year of the 1830s decade. As of the start of 1834, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1832 (MDCCCXXXII) was a leap year starting on Sunday of the Gregorian calendar and a leap year starting on Friday of the Julian calendar, the 1832nd year of the Common Era (CE) and Anno Domini (AD) designations, the 832nd year of the 2nd millennium, the 32nd year of the 19th century, and the 3rd year of the 1830s decade. As of the start of 1832, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1825 (MDCCCXXV) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1825th year of the Common Era (CE) and Anno Domini (AD) designations, the 825th year of the 2nd millennium, the 25th year of the 19th century, and the 6th year of the 1820s decade. As of the start of 1825, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1816 (MDCCCXVI) was a leap year starting on Monday of the Gregorian calendar and a leap year starting on Saturday of the Julian calendar, the 1816th year of the Common Era (CE) and Anno Domini (AD) designations, the 816th year of the 2nd millennium, the 16th year of the 19th century, and the 7th year of the 1810s decade. As of the start of 1816, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
