As more hunters found out about the location and its plentiful supply of buffalo, people began to settle there, rather than return across the river to Senehun.
"[6] On March 31, 2010 President Ernest Bai Koroma visited Mattru Jong Hospital in order to assess its preparedness for the planned April 27, 2010 rollout of free medical services for pregnant women, lactating mothers, and children under the age of five.
[7] RUF rebels fighting in the Sierra Leone Civil War captured Mattru Jong at the end of January, 1995.
Another base known as "Camp Lion" was set up at Gambia Palm Oil Plantation, nine miles from Mattru Jong.
In February 2009 Madam Koroma addressed supporters of the All People’s Congress (APC) at the compound of Late Paramount Chief Goba in Mattru Jong.
According to a statement released by her office, some of the issues faced by people in Bonthe district that she had identified during her visit included "improper health care delivery, poor infrastructure, poor water and sanitation and inadequate means to transport their agricultural produce from place to place".
[13] The town was featured prominently in the book A Long Way Gone by Ishmael Beah, a memoir of the author's experiences during the Sierra Leone Civil War.
Beah and his brother were visiting Mattru Jong with a group of friends when he learned that his home village of Mogbwemo had been attacked by rebels.