During the counter-insurgencies under the Japanese occupation from 1942 to 1944, Kapampangan guerrilla fighters and the Hukbalahap Communist guerrillas fought side by side in the province of Pampanga, attacking and retreating the Japanese Imperial forces for over three years of fighting and invasion.
The establishment of the military general headquarters and military camp bases of the Philippine Commonwealth Army was active from 1935 to 1946.
Mayor parte ng mga proyekto ng grupo ay nailulunsad at nakapagpapatuloy sa pagtutulungan ng mga kaanib sa Church of God International kahit walang direktong tulong na nakakamit sa mga ahensiya ng pamahalaan at mga pribadong sektor.
The municipality of San Miguel de Mayumo of Pampanga was yielded to the province of Bulacan in the same provincial boundary configuration in 1848.
On December 8, 1941, Japanese planes bombed Clark Air Base marking the beginning of the invasion of Pampanga.
Between 19, occupying Japanese forces began entering Pampanga.
By 2015, the province has 2,198,110 inhabitants, Ancient Pampanga's Territorial area included portions of the modern provinces of Tarlac, Bataan, Zambales, Nueva Ecija and Bulacan.
Pampanga was re-organized as a province by the Spaniards on December 11, 1571.