Paregreg war was the
Majapahit civil war that took place in 1404-1406. The war was fought as the contest of succession between
Western court led by
Wikramawardhana, against
Eastern court led by Bhre Wirabhumi. This war of rivalry and succession had caused the calamity, crisis, court's preoccupation, the drain of financial resources, and exhaustion, that is thought to be one of the causes of Majapahit decline in the following years.