20th century 2,258 1878-1944 1,816 1944-1990 971 1900-1999 843 1990- 833 19th century 821 1944- 727 1762-1878 681 To 1393 511 1989- 504 1944-1989 427 Uprising, 1876 407 1393-1878 344 1939-1945 324 Since 1990 281 21st century 269 Since 1989 208 1800-1899 205 1837-1873 192 Since 1944 189 Boris III, 1918-1943 188 War of 1912-1913 187 1882-1949 184 1941-1944 178 681-1018 165 Uprising, 1923 (September) 144 1900 - 1999 141 1876 134 To 1762 133 1914-1918 125 1918-1944 125 1800-1999 119 Ferdinand I, 1887-1918 119 1185-1393 117 1848-1876 97 1393-1762 96 Ottoman Empire, 1288-1918 90 1861-1948 88 1878-1912 85 2000-2099 83 1894-1943 82 1854-1895 81 18th century 80 20e siècle 79 To 1500 76 1762-1900 74 1878 - 1944 74 Revolution, 1917-1921 73 Alexander, 1879-1886 71 1945- 69 1918-1945 66 1879-1923 63 1923 63 1918-1943 58 To 681 58 Siege, 1877 57 1912-1945 55 1857-1893 53 1877-1878 53 1821-1867 49 Since 1900 49 1939 - 1945 48 17th century 46 1722-1773 45 1878-1945 45 1945-1989 45 1856-1924 44 September Uprising, 1944 44 1944 - 1989 42 Union with Bulgaria, 1885 42 1762 - 1878 41 864 or 865-927 41 1850-1889 40 1878-1999 39 Early to 1393 39 1288-1918 38 Middle Ages, 600-1500 38 Uprising, 1923 (June) 38 -1014 36 1762-1899 36 1912-1913 35 1829-1878 33 1937- 33 Medieval, 500-1500 33 1762-1944 32 1804-1918 32 approximately 827-869 32 1393 - 1878 31 1800 - 1899 31 1944 - 1990 30 -916 28 1871-1918 28 1878-1909 28 approximately 825-884 or 885 27 1801-1917 26 1909-1942 26 19e siècle 26 Since 1878 26 1018-1185 25 1900-2099 25