Muscovy-Lithuanian War

Name: Muscovy-Lithuanian War
Start: 1440
End: 1449

Type Event Region Eastern Europe Time 1440–1449

In the 1440s the Grand Duchy of Moscow and the Grand Duchy of Lithuania repeatedly clashed over Smolensk, Novgorod's sphere and border towns;…

Timeline

1440–1449Smolensk–Novgorod border · Eastern EuropeGrand Duke Casimir IV of Lithuania exploited Moscow's civil war, backing Shemyaka and contesting buffer zones such as Smolensk and Novgorod, with the two armies repeatedly clashing along the western border.
1449Eastern Europe · Eastern EuropeIn the late 1440s the two sides made peace several times only to resume fighting; Lithuania at one point occupied Rzhev and other places, while Moscow gradually consolidated control over its core regions after restoration, laying groundwork for the larger wars of Ivan III's era.

Muscovite–Lithuanian Wars https://en.wikipedia.org/wiki/Muscovite%E2%80%93Lithuanian_Wars
Russian Civil War of 1425–1462 https://www.ebsco.com/research-starters/history/russian-civil-war-1425-1462