The jars have been dated to approximately 5 BC to 370 AD, one of the oldest in the entire Southeast Asian region and the Philippines.

After the fall of the Sultanate of Maguindanao as a great power in Mindanao, Datu Uto of Buayan expanded his domain towards Sarangani Bay.

[further explanation needed] In 1945, Filipino troops of the 6th, 10th, 101st and 102nd Infantry Division of the Philippine Commonwealth Army and 10th Constabulary Regiment of the Philippine Constabulary entered in and liberated Southern Cotabato and fought against the Japanese Imperial Army forces during the Battle of Cotabato at the end of World War II under the Japanese Occupation.

[citation needed] Sarangani covers a total area of 3,601.25 square kilometers (1,390.45 sq mi)[5] occupying the southern tip of the Soccsksargen in central Mindanao.

The western portion comprises the towns of Maitum, Kiamba, and Maasim, and is bounded on the north by South Cotabato and on the northwest by Sultan Kudarat.

Poverty Incidence of Sarangani Source: Philippine Statistics Authority[13][14][15][16][17][18][19][20] Coconut, corn, rice, banana, mango, durian, rubber, and sugarcane are major crops now being planted by the inhabitants.

The province has plantations (mango, banana, pineapple, asparagus), cattle ranches, and commercial fishponds that have been operating in the area, some of which having existed as far back as 40 years.

Amid Mindanao's armed conflicts, artifacts found thereat prove settlements of pre-historic civilization in Maitum.