Before the following snap election , Dawee Chullasap replaced Thawit Klinprathum as party chairman . In the election , the Social Justice Party lost 17 of its seats and became only the fourth force in parliament . However , it could again join a coalition government , this time led by the Democrat Party of Seni Pramoj . The government was toppled by a military coup d'état on 6 October 1976 , after the Thammasat University massacre . Afterwards , the Social Justice Party disappeared from the Thai political landscape
Thammasat University massacre
Thammasat University massacre
Social Justice Party (Thailand)