Cyfnod
1783-1830
3
1892-1975
3
20th century
3
Wars of Independence, 1806-1830
3
1926-
2
1817-1860
1
1878-1953
1
1883-1945
1
1889-1945
1
1899-1961
1
1914-1945
1
1918-1933
1
1925-1953
1
1933-1945
1
1939-1975
1
19th century
1
21st century
1
Republic, 1931-1939
1
Revolution, 1959
1
Revolutionary period, 1868-1875
1