Historical Periods
Kingdom of Laos (1956–1966)
1956 CE – 1966 CE
Capital: VientianeArea: 229,137 km²
Kingdom of Laos (1967–1972)
1967 CE – 1972 CE
Capital: VientianeArea: 216,315 km²
Kingdom of Laos (1973–1975)
1973 CE – 1975 CE
Capital: VientianeArea: 216,168 km²