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1945-OCT-17 |
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1945-OCT-17 |
| Kingdom of SIAM [Regency] | |
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| (Bangkok) |
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Kingdom of SIAM |
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| Flag or Logo since 1945-09-08 |  |
Emblem or Symbol |
 King Rama VIII Ananda Mahidol (ruler of SIAM since 1935-03-02) |
| Capitals & administrative places: | Bangkok (Krung Thep) |
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| Official & national languages: | Thai (th) . |
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 | | SIAM | Kingdom of SIAM (Bangkok) |
 |  | CENTRAL SIAM | CENTRAL SIAM Geographical Region (Bangkok) | Local: | Phakh KLANG : ภาคกลาง (th) (Krung Thep) | |
 |  | EAST SIAM | EAST SIAM Geographical Region (Prachinburi) | Local: | Phakh TAWAN-AOK : ภาคตะวันออก (th) (Prachin Buri) | |
 |  | NORTH SIAM | NORTH SIAM Geographical Region (Chiangmai) | Local: | Phakh NUEA : ภาคเหนือ (th) (Muang Chiang Mai) | |
 |  | NORTHEAST SIAM | NORTHEAST SIAM Geographical Region [Isarn Region] (Nakhon Ratchasima) | Local: | Phakh TAWANOK-CHIANG-NUEA : Phakh Isarn – ภาคตะวันออกเฉียงเหนือ : ภาคอีสาน (th) (Muang Nakhon Ratcha Sima) | |
 |  | SOUTH SIAM | SOUTH SIAM Geographical Region (Nakhon Si Thammarat) | Local: | Phakh TÎ : ภาคใต้ (th) (Muang Nakhon Si Thammarat) | |
 |  | WESTERN SIAM | WESTERN SIAM Geographical Region (Ratchaburi) | Local: | Phak TAWANTOK KHXNG SYAM : ภาคตะวันตกของสยาม (th) (Ratcha Buri) | |
 |  | FREE KHMERS | Free Khmers : KHMER ISSARAK (Bangkok) |  | Pock Khun |
