Realm · 1783–1931
Rattanakosin Kingdom
Rattanakosin Kingdom appears on the map from 1783 to 1931. At its greatest recorded extent, in 1885, it covered about 672,470 km².
One of the realms of Rattanakosin Siam (Thailand). After Ayutthaya fell in 1767, the general Taksin drove out the Burmese and ruled from Thonburi. In 1782 his general Chao Phraya Chakri took the throne as Rama I, founding the Chakri dynasty and a new capital at Bangkok across the river; the period is named Rattanakosin after its royal island.
See Rattanakosin Kingdom on the map in 1885

- On the map
- 1783–1931
- Greatest extent
- 1885, about 672,470 km²
Territory through time
| Years | Area drawn |
|---|---|
| 1783–1795 | 360,015 km² |
| 1796–1821 | 430,003 km² |
| 1822–1824 | 441,251 km² |
| 1825–1827 | 441,224 km² |
| 1828–1841 | 618,361 km² |
| 1842–1852 | 607,027 km² |
| 1853–1884 | 607,055 km² |
| 1885–1889 | 672,470 km² |
| 1890–1894 | 659,741 km² |
| 1895–1904 | 613,025 km² |
| 1905–1907 | 574,373 km² |
| 1908–1910 | 522,008 km² |
| 1911–1929 | 522,065 km² |
| 1930–1931 | 522,065 km² |
Related
- Rattanakosin Siam (Thailand) empire
- First World War 28 July 1914 – 11 November 1918