Polish vassalization of Moldavia (1387)

The Polish vassalization of Moldavia occurred on 26 September 1387 when Petru II of Moldavia paid homage to the King of Poland, Władysław II Jagiełło, at Lwów, making the Principality of Moldavia a vassal state of the Crown of the Kingdom of Poland. == Background == From 1367 to 1387, the Principality of Moldavia remained under Hungarian suzerainty and under Polish-Hungarian suzerainty in the period between 1370 and 1382 when the Kingdom of Poland and the Kingdom of Hungary were united under one single monarch Louis I of Hungary.

Source: Wikipedia — Polish vassalization of Moldavia (1387) (CC BY-SA 4.0)