Guy Tachard, also known as Père Tachard, was a French Jesuit missionary and mathematician of the 17th century, who was sent on two occasions to the Kingdom of Siam by Louis XIV. He was born in Marthon, near Angoulême.
Father Guy Tachard (1651–1712), drawn by Carlo Maratta.
Chevalier de Chaumont with the Jesuits presents a letter from Louis XIV to King Narai, in 1685.
Second voyage du pere Tachard et des Jesuites envoyes par le roy (1689)
Tachard, with Siamese envoys, translating the letter of king Narai to Pope Innocent XI, December 1688
King Narai the Great or Ramathibodi III was the 27th monarch of Ayutthaya Kingdom, the 4th and last monarch of the Prasat Thong dynasty. He was the king of Ayutthaya Kingdom from 1656 to 1688 and arguably the most famous king of the Prasat Thong dynasty.
Statue of Narai the Great, created in 1966, near Lopburi provincial hall
Memorial plate in Lopburi showing king Narai with French ambassadors.
King Narai observes a lunar eclipse with French Jesuits at Lopburi, 1685
Kosa Pan presents King Narai's letter to Louis XIV at Versailles, 1 September 1686