Public execution of A.P. Volinsky (cabinet-minister), A.F. Khruschev and P.M. Yeropkina, who were opponents of Biron. Death of Anna Ioannovna. Ioann Antonovich (Anna Ioannovna’s nephew) is proclaimed the Emperor, E.I.Biron is appointed his regent. Arrest and exile of E.I.Biron. Anna Leopoldovna, Ioann Antonovich’s mother becomes the Empress.