The Vatican has formally declared a schism with the Society of St. Pius X (SSPX), a traditionalist Catholic sect, and excommunicated several of its bishops and priests. This action stems from the SSPX’s unauthorized consecration of bishops without papal consent, a direct challenge to the Pope’s authority. The SSPX is known for rejecting the reforms of the Second Vatican Council, particularly those concerning relations with Judaism, though it denies accusations of antisemitism. The Vatican’s move represents a significant escalation in tensions with the group, which has been in a decades-long dispute with the Catholic Church. Despite the excommunications, dialogue between the two sides has occurred in the past, though ultimately unsuccessful in bridging the ideological gap. This latest development signals a firm stance from the Vatican against the SSPX’s defiance of its authority and its theological positions. The future of the SSPX and its relationship with the broader Catholic Church remains uncertain.