The Pulau Chermin Civil War of 1661-1673

A crucial explanatory video on the history of the Brunei civil war of 1661-1673 also known as the "Pulau Chermin War" that is crucial in understanding the history of North Borneo and Sabah and the reasons why the Sulu Sultanate and the Philippines has the wrong narrative on any claims of ownership over Sabah.
In-depth research and a better understanding today tells us no agreements were ever signed giving away Sabah to the Sulu Sultanate as there simply is no evidence the Sulu contributed in the final victory on Pulau Chermin that led to the end of the civil war.