Ivan III's Annexation of Tver

Name: Ivan III's Annexation of Tver
Start: 1485

Type Event Region Europe Time 1485

In 1485, Moscow Grand Prince Ivan III marched against Tver Grand Prince Mikhail Borisovich for violating suzerainty, forcing him into exile in Lithua…

Timeline

1485Tver · RussiaIvan III accused Tver Grand Prince Mikhail Borisovich of colluding with Lithuania and violating Moscow's suzerainty, massing troops to pressure Tver; the city's nobility and populace were powerless to resist.
1485Tver · RussiaGrand Prince Mikhail fled to Lithuania; Ivan III incorporated the Grand Principality of Tver's territory into the Grand Principality of Moscow, appointing a Moscow-installed governor to rule, ending Tver as an independent political entity.

Sources

Encyclopedia Britannica: Ivan III https://www.britannica.com/biography/Ivan-III
The Cambridge History of Russia, Volume 1 — Maureen Perrie (2006)