1951-AUG-08

Polity Timeline
CENTRAL THAILAND

Flag or logo changes:

1900-01-01:

BANKOK Circle

(Bankok)

- BANKOK

1916-01-02:

BANGKOK METROPOLIS Circle

(Bangkok)

- BANGKOK METROPOLIS

1916-12-31:

BANGKOK METROPOLIS Circle

(Bangkok)

- BANGKOK METROPOLIS

1917-09-28:

BANGKOK METROPOLIS Circle

(Bangkok)

- BANGKOK METROPOLIS

Emblem or Symbol changes:

1900-01-01:

BANKOK Circle

(Bankok)

- BANKOK

1933-01-01:

Provinces of CENTRAL SIAM

(Bangkok)

- CENTRAL SIAM

Sovereignty changes:

1900-01-01:

SIAM

1941-12-08:

JAPAN +

THAILAND +

1945-08-16:

THAILAND

Capital Local Name changes:

1900-01-01:

Krung Thep

2010-01-01:

Phra Nakhon Si Ayutthaya

Local Name of Country changes:

1900-01-01:

KRUNG THEB

1915-01-01:

KRUNG THEP PHRA MAHA NAKHON

1933-01-01:

KLANG

Status changes:

1900-01-01:

BANKOK Circle

1915-01-01:

BANGKOK METROPOLIS Circle

1933-01-01:

Provinces of CENTRAL SIAM

1935-01-01:

CENTRAL SIAM Geographical Region

1939-06-23:

CENTRAL THAILAND Geographical Region

1945-08-16:

CENTRAL SIAM Geographical Region

1949-09-08:

CENTRAL THAILAND Geographical Region

1951-01-01:

CENTRAL THAILAND Region

1956-01-01:

CENTRAL THAILAND Geographical Region

2010-01-01:

CENTRAL THAILAND Geographical Region [Central Plain Region]

Ruler changes:

1951-AUG-08

1900-01-01:

1916-01-02:

1916-12-31:

1917-09-28:

1900-01-01:

1933-01-01:

1900-01-01:

1941-12-08:

JAPAN +

THAILAND +

1945-08-16:

1900-01-01:

Krung Thep

2010-01-01:

Phra Nakhon Si Ayutthaya

1900-01-01:

KRUNG THEB

1915-01-01:

KRUNG THEP PHRA MAHA NAKHON

1933-01-01:

KLANG

1900-01-01:

1915-01-01:

1933-01-01:

1935-01-01:

1939-06-23:

1945-08-16:

1949-09-08:

1951-01-01:

1956-01-01:

2010-01-01:

UPDATED ON: ~ 2024-JUN-09 ~ .