On this day, July 9, in 1943, the American submarine USS Thresher landed in Catmon Point, near Sipalay, Negros Occidental to unload 500 pounds of supplies and 40,000 rounds of ammunition for American and Filipino guerrillas led by Capt. Jesus Villamor.
It also delivered a group of Filipino commandoes tasked with slipping into Manila to link up with Gen. Manuel Roxas and gather intelligence on the activities of Japanese there.
On this day, July 9, in 1963, the late King Bhumibol Adulyadej and Queen Sirikit of Thailand arrived in Manila for a six-day state visit. This would be the only time in his 70-year reign that the late King visited the Philippines.