Bruneian Civil War of 1826

The Bruneian Civil War (Malay: Perang Saudara Brunei; Jawi: ڤراڠ ساودارا بروني‎) or the Bruneian war of succession (Malay: Perang penggantian Brunei; Jawi: ڤراڠ ڤڠݢنتيان بروني‎) was a civil war in the Bruneian Sultanate from 1826 to 1828 between Muhammad Alam and Omar Ali Saifuddien II. This dispute began when Muhammad Alam chose to assume the throne instead of Pengiran Muda Omar Ali Saifuddin, who was the legitimate successor. == Prelude == In 1804, when Sultan Muhammad Tajuddin abdicated in favour of his son, Sultan Muhammad Jamalul Alam.

Source: Wikipedia — Bruneian Civil War of 1826 (CC BY-SA 4.0)