Era
20th century
1,671
21st century
1,589
1945-
1,543
1991-
916
1990
813
2000
752
19th century
698
1980
649
Since 1945
629
2000-2099
610
1900-1999
549
1960-
438
1981
431
Since 1991
404
1991
391
2001
374
1990-
321
1982
309
1918-1945
308
2010
308
1981-2001
288
1989-
281
2011
279
1800-1899
264
1970-
237
18th century
235
1975-
231
1918-
222
1982-
196
1971
191
1900 - 1999
180
1970
178
1976-2000
172
2000-
170
1979-
169
1980-
166
1947-
162
1968-
162
2000 - 2099
161
Civil War, 1861-1865
160
Since 1960
160
1939-1945
154
1940
150
1981-
143
1976-
138
1996
132
17th century
129
1960
129
1985-
123
Since 1989
121
more ...