In 1880, Chao Muen
Samuhjairaj submitted a letter
to propose the opening of a
post office in Thailand to King
Chulalongkorn (King Rama
V). His Majesty agreed with
the proposal and appointed His
Royal Highness Somdetch Phra Chao Nong Ya Tho Chao Fa Bhanurangsi
Swangwong Krom Luang Bhanuphandhuwong Wordej as the first Director-General
of the Post Department in view of His Royal Highness’ experience in the distribution
of the daily newspaper called “Khow Ratchakarn”, meaning the public service news.
After well planned and prepared for the opening of the post office, HRH Bhanurangsi
Swangwong proclaimed the inauguration of postal service on trial by accepting letters
and books in both Phranakorn and Thonburi sides on 4th August 1883.
The first post office was located in a large building by the Chaophraya river, at the
northern side of Ong-Ang canal (now replaced by the bridge running parallel with the