1911 (MCMXI) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1911th year of the Common Era (CE) and Anno Domini (AD) designations, the 911th year of the 2nd millennium, the 11th year of the 20th century, and the 2nd year of the 1910s decade. As of the start of 1911, the Gregorian calendar was 13 days ahead of the Julian calendar, which remained in localized use until 1923.
1901 (MCMI) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1901st year of the Common Era (CE) and Anno Domini (AD) designations, the 901st year of the 2nd millennium, the 1st year of the 20th century, and the 2nd year of the 1900s decade. As of the start of 1901, the Gregorian calendar was 13 days ahead of the Julian calendar, which remained in localized use until 1923.
1866 (MDCCCLXVI) was a common year starting on Monday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1866th year of the Common Era (CE) and Anno Domini (AD) designations, the 866th year of the 2nd millennium, the 66th year of the 19th century, and the 7th year of the 1860s decade. As of the start of 1866, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
The 1770s was a decade of the Gregorian calendar that began on January 1, 1770, and ended on December 31, 1779. A period full of discoveries, breakthroughs happened in all walks of life, as what emerged at this period brought life to most innovations we know today.
The 1780s was a decade of the Gregorian calendar that began on January 1, 1780, and ended on December 31, 1789. A period widely considered as transitional between the Age of Enlightenment and the Industrial Revolution, the 1780s saw the inception of modern philosophy. With the rise on astronomical, technological, and political discoveries and innovations such as Uranus, cast iron on structures, republicanism and hot air balloons, the 1780s kick-started a rapid global industrialization movement, leaving behind the world's predominantly agrarian customs in the past.
1801 (MDCCCI) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1801st year of the Common Era (CE) and Anno Domini (AD) designations, the 801st year of the 2nd millennium, the 1st year of the 19th century, and the 2nd year of the 1800s decade. As of the start of 1801, the Gregorian calendar was 12 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.
1857 (MDCCCLVII) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1857th year of the Common Era (CE) and Anno Domini (AD) designations, the 857th year of the 2nd millennium, the 57th year of the 19th century, and the 8th year of the 1850s decade. As of the start of 1857, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
The 1720s decade ran from January 1, 1720, to December 31, 1729.
1882 (MDCCCLXXXII) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1882nd year of the Common Era (CE) and Anno Domini (AD) designations, the 882nd year of the 2nd millennium, the 82nd year of the 19th century, and the 3rd year of the 1880s decade. As of the start of 1882, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1899 (MDCCCXCIX) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1899th year of the Common Era (CE) and Anno Domini (AD) designations, the 899th year of the 2nd millennium, the 99th year of the 19th century, and the 10th and last year of the 1890s decade. As of the start of 1899, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1847 (MDCCCXLVII) was a common year starting on Friday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1847th year of the Common Era (CE) and Anno Domini (AD) designations, the 847th year of the 2nd millennium, the 47th year of the 19th century, and the 8th year of the 1840s decade. As of the start of 1847, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1850 (MDCCCL) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1850th year of the Common Era (CE) and Anno Domini (AD) designations, the 850th year of the 2nd millennium, the 50th year of the 19th century, and the 1st year of the 1850s decade. As of the start of 1850, 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.
1824 (MDCCCXXIV) was a leap year starting on Thursday of the Gregorian calendar and a leap year starting on Tuesday of the Julian calendar, the 1824th year of the Common Era (CE) and Anno Domini (AD) designations, the 824th year of the 2nd millennium, the 24th year of the 19th century, and the 5th year of the 1820s decade. As of the start of 1824, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
1795 (MDCCXCV) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1795th year of the Common Era (CE) and Anno Domini (AD) designations, the 795th year of the 2nd millennium, the 95th year of the 18th century, and the 6th year of the 1790s decade. As of the start of 1795, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.
1775 (MDCCLXXV) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1775th year of the Common Era (CE) and Anno Domini (AD) designations, the 775th year of the 2nd millennium, the 75th year of the 18th century, and the 6th year of the 1770s decade. As of the start of 1775, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.
1654 (MDCLIV) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1654th year of the Common Era (CE) and Anno Domini (AD) designations, the 654th year of the 2nd millennium, the 54th year of the 17th century, and the 5th year of the 1650s decade. As of the start of 1654, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
The year 1842 in science and technology involved some significant events, listed below.
1776 (MDCCLXXVI) was a leap year starting on Monday of the Gregorian calendar and a leap year starting on Friday of the Julian calendar, the 1776th year of the Common Era (CE) and Anno Domini (AD) designations, the 776th year of the 2nd millennium, the 76th year of the 18th century, and the 7th year of the 1770s decade. As of the start of 1776, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.
