Kỷ nguyên
1893-1937
2
1937-
2
20th century,Thế kỷ 20
2
1868-1912
1
1918-,1937-1949
1
1933-1945,1933-1945
1
1935-
1
1937-1945
1
1939-1945,1939-1951,1937-1945
1
1958-
1
20th century
1
20th century,20th century
1
20th century,20th century,Thế kỷ 20,Thế kỷ 20
1
Medieval, 500-1500,Thời trung cổ, 500-1500
1