The base of rocks that underlie Borneo, an island in Southeast Asia, was formed by the arc-continent collisions, continent–continent collisions and subduction–accretion due to convergence between the Asian, India–Australia, and Philippine Sea-Pacific plates over the last 400 million years.

When was Borneo founded?

Borneo is first mentioned in Ptolemy's Guide to Geography of about 150 ce. Roman trade beads and Indo-Javanese artifacts have been discovered that give evidence of a flourishing civilization dating to the 2nd or 3rd century ce.

Who founded Borneo?

Enter your search terms: Borneo was visited by the Portuguese in 1521, and shortly thereafter by the Spanish, who established trade relations with the island. The Dutch arrived in the early 1600s, and the English c. 1665.