The Paknam Incident was a military engagement fought during the Franco-Siamese crisis in July 1893. While sailing off Paknam on Siam's Chao Phraya River, three French ships violated Siamese territory and a Siamese fort and a force of gunboats fired warning shots. In the ensuing battle, France won and blockaded Bangkok, which ended the war.

Andreas du Plessis de Richelieu was a Danish naval officer and businessman who became a Siamese admiral and minister of the navy. He was granted the Thai noble title Phraya Chonlayutthayothin.