Cyfnod
20th century
4,664
1900-1999
2,318
1900 - 1999
1,677
1945-
1,626
19th century
1,517
18th century
1,049
Since 1945
1,004
17th century
609
1800-1899
517
16th century
509
1989-
460
1700-1799
416
1939-1945
347
To 1500
338
1800 - 1899
330
1960-
327
Revolution, 1789-1799
324
Middle Ages, 600-1500
288
1700 - 1799
287
1800-1999
286
1991-
279
1976-
278
1980-
277
Since 1989
266
1945-1989
237
1939 - 1945
224
Medieval, 500-1500
212
1800 - 1999
197
1990-
194
20e siècle
191
1982-
189
1975-
187
Since 1991
184
Since 1960
178
1600-1699
170
21st century
167
Since 1900
159
1970-
156
Quaternary
150
1500-1599
149
1933-1945
143
1981-
140
1985-1991
139
600-1500
139
1947-
138
1976-2000
135
Since 1980
134
1918-1945
133
1948-
123
600 - 1500
123
rhagor ...