Final answer:
The Extraordinary Consistory of Bishops occurred on April 4-7, 1991, aiming to address ecclesiastical issues of the time, continuing the tradition of ecumenical councils in the Church's history.
Step-by-step explanation:
The Extraordinary Consistory of Bishops, which focused on addressing the threats of the day, took place on April 4-7, 1991. This event is one among many historical ecumenical councils where Christian bishops gathered to settle matters of doctrine within the Church. Similar to past councils, such as the first ecumenical council convened by Emperor Constantine in 325, the Extraordinary Consistory of Bishops aimed to address and resolve contemporary ecclesiastical issues.