20th century 11,463 Visa posterna 19th century 7,253 Visa posterna 18th century 3,082 Visa posterna 1945- 1,520 Visa posterna 1947- 1,432 Visa posterna 17th century 1,413 Visa posterna Revolution, 1789-1799 1,393 Visa posterna 16th century 1,284 Visa posterna Revolution, 1775-1783 939 Visa posterna To 1500 892 Visa posterna 1775-1783 699 Visa posterna Civil War, 1861-1865 691 Visa posterna 1991- 655 Visa posterna Colonial period, ca. 1600-1775 644 Visa posterna 1919-1947 632 Visa posterna 1869-1948 537 Visa posterna 1933-1945 525 Visa posterna 1800-1899 494 Visa posterna 1918-1945 442 Visa posterna Precambrian 437 Visa posterna Early modern, 1500-1700 434 Visa posterna 1500-1800 393 Visa posterna Revolution, 1917-1921 376 Visa posterna 1900-1999 363 Visa posterna 1910-1946 362 Visa posterna 20th Century 356 Visa posterna 1564-1616 330 Visa posterna 1724-1804 315 Visa posterna 1871-1918 301 Visa posterna Paleozoic 296 Visa posterna 1960- 281 Visa posterna 1918- 280 Visa posterna 1877-1938 274 Visa posterna Quaternary 274 Visa posterna Cretaceous 273 Visa posterna 1836-1909 272 Visa posterna 1861-1865 271 Visa posterna 1861-1941 270 Visa posterna 1765-1947 266 Visa posterna 1966- 265 Visa posterna 1821-1861 264 Visa posterna Old English, ca. 450-1100 253 Visa posterna Jurassic 243 Visa posterna d. 632 243 Visa posterna 1900 - 1999 240 Visa posterna Middle English, 1100-1500 239 Visa posterna To 1775 239 Visa posterna 1918-1933 236 Visa posterna 1867-1910 234 Visa posterna 1769-1821 231 Visa posterna 1600-1775 227 Visa posterna 1849-1870 220 Visa posterna 1912-1949 219 Visa posterna 1775-1865 210 Visa posterna British occupation, 1765-1947 204 Visa posterna 15th century 199 Visa posterna Mesozoic 197 Visa posterna Classical period, 1500-1700 191 Visa posterna 1789-1815 188 Visa posterna Cenozoic 185 Visa posterna Devonian 184 Visa posterna Middle Ages, 600-1500 184 Visa posterna 12th cent 178 Visa posterna 1945-1989 177 Visa posterna 1749-1832 176 Visa posterna 20e siècle 171 Visa posterna 1917-1945 168 Visa posterna 1483-1546 167 Visa posterna Middle High German, 1050-1500 166 Visa posterna 1818-1883 165 Visa posterna Tertiary 164 Visa posterna Carboniferous 163 Visa posterna 1801-1917 161 Visa posterna 1985-1991 160 Visa posterna 1986-1991 160 Visa posterna 1998- 160 Visa posterna Pleistocene 159 Visa posterna 1870-1924 156 Visa posterna 1700-1799 150 Visa posterna 1770-1831 150 Visa posterna 1977- 149 Visa posterna 1789-1900 148 Visa posterna 324 B.C.-1000 A.D. 146 Visa posterna 1857-1919 141 Visa posterna 1946- 141 Visa posterna Early church, ca. 30-600 140 Visa posterna German occupation, 1940-1945 140 Visa posterna 1971- 138 Visa posterna Sepoy Rebellion, 1857-1858 137 Visa posterna 1905- 135 Visa posterna 1917- 135 Visa posterna 1939-1945 134 Visa posterna Triassic 134 Visa posterna 1815-1870 128 Visa posterna 1882-1921 127 Visa posterna 1900- 127 Visa posterna 15th cent 126 Visa posterna 1949- 126 Visa posterna To 1700 126 Visa posterna Wars of Independence, 1556-1648 126 Visa posterna