The Battle of Orsha (Orsza), 1514

The army of the Grand Duchy of Moscow on the left, that of the Grand Duchy of Lithuania & Kingdom of Poland on the right.
A detail of the Polish hussars.
The painting of the battle is considered contemporary, and so very accurate that the artist is thought to have witnessed it. Dated to c.1524-1530.
Medium: tempera on oak board
Dimensions: 165 × 262 cm
National Museum in Warsaw. MP 2475.
Source: istorija.net
See also The Polish Army by George Gush
Illustrations of Russian Costume & Soldiers