José P. Laurel
President José P. Laurel of the wartime Second Philippine Republic placed the Philippines under martial law in 1944 through Proclamation No. 29, dated September 21. Martial law came into effect on September 22, 1944. Proclamation No. 30 was issued the next day, declaring the existence of a state of war between the Philippines and the US and Great Britain. This took effect on September 23, 1944.