1820s: The 1820s (pronounced "eighteen-twenties") was a decade of the Gregorian calendar that began on January 1, 1820, and ended on December 31, 1829. It saw the rise of the First Industrial Revolution. (Decade of the Gregorian calendar) [93%] 2023-12-31 [1820s]
1830s: The 1830s (pronounced "eighteen-thirties") was a decade of the Gregorian calendar that began on January 1, 1830, and ended on December 31, 1839. In this decade, the world saw a rapid rise of imperialism and colonialism, particularly in Asia ... (Decade) [93%] 2024-01-13 [1830s]
1840s: The 1840s (pronounced "eighteen-forties") was a decade of the Gregorian calendar that began on January 1, 1840, and ended on December 31, 1849. The decade was noted in Europe for featuring the largely unsuccessful Revolutions of 1848, also known ... (Decade of the Gregorian calendar) [93%] 2023-07-20 [1840s]
1890s: The 1890s (pronounced "eighteen-nineties") was a decade of the Gregorian calendar that began on January 1, 1890, and ended on December 31, 1899. In American popular culture, the decade would later be nostalgically referred to as the "Gay Nineties ... (Decade of the Gregorian calendar) [93%] 2024-01-10 [1890s] [1890s decade overviews]...