The brother of the late Grand Duke Vasily III, suspected of duplicity by Vasily’s widow, the regent Yelena Glinskaya, flees Moscow for refuge at the court of Poland’s King Sigismund, but is intercepted and jailed for treason.
Sigismund, assembling a powerful army, wages inconclusive war with the Russians, who are able to quell insurrections fomented by the Poles and Lithuanians.
A Muscovite army under the command of Prince Ovchina-Telepnev-Obolensky, Prince Nikita Obolensky, and Prince Vasily Shuisky invades Lithuania in October 1534, advancing as far as Vilnius and Navahrudak.
The Lithuanian army under Hetman Radziwill, Andrei Nemirovich, Polish Hetman Jan Tarnowski, and Semen Belsky launches a powerful counterattack in 1535 and takes Homel and …