An armed clash occurred in Corumbiara, in the Brazilian state of Rondônia, between members of the Landless Workers’ Movement (MST) and the military police. This confrontation resulted in at least 10 deaths as tensions over land occupation and agrarian reform escalated in the region. The incident became widely known in Brazil as the Massacre of Corumbiara, drawing national attention to disputes over land rights and the treatment of rural workers. It highlighted deep social and economic inequalities in Brazil’s countryside during the 1990s.