PBS won a majority of 25 out of the 48 seats contested in the 1985 state elections. However, BERJAYA and the United Sabah National Organisation (USNO) joined forces submit their candidate as the chief minister, but after riots by BN followers, the newly formed coalition between BERJAYA and USNO was dissolved giving PBS the majority government. Pairin was sworn in as the seventh Chief Minister of the state of Sabah. He held the post of Sabah Chief Minister from April 1985 to March 1994, during which he spearheaded his party's triumphant outings in four successive state elections (1985, 1986, 1990 and 1994).