Władysław III of Poland, also known as Ladislaus of Varna, was King of Poland and Supreme Duke of the Grand Duchy of Lithuania from 1434 as well as King of Hungary and Croatia from 1440 until his death at the Battle of Varna. He was the eldest son of Władysław II Jagiełło (Jogaila) and the Lithuanian noblewoman Sophia of Halshany.
Tykocin is a small town in north-eastern Poland, with 2,010 inhabitants (2012), located on the Narew river, in Białystok County in the Podlaskie Voivodeship. It is one of the oldest towns in the region, with its historic center designated a Historic Monument of Poland.
Ashmyany or Oshmyany is a city in Grodno Region, Belarus. It is located 50 kilometres (31 mi) from Vilnius in Lithuania, and serves as the administrative center of Ashmyany District. The river Ashmyanka passes through the city. As of 2024, it has a population of 16,787.
Ukmergė is a city in Vilnius County, Lithuania, located 78 km (48 mi) northwest of Vilnius. It is the administratebe center of the Ukmergė District Municipality.
Švitrigaila was the Grand Duke of Lithuania from 1430 to 1432. He spent most of his life in largely unsuccessful dynastic struggles against his cousins Vytautas and Sigismund Kęstutaitis.
The Union of Grodno was a series of acts of the Polish–Lithuanian union between Kingdom of Poland and Grand Duchy of Lithuania. The first acts were signed in 1432 during the Lithuanian Civil War of 1431–1435. The acts confirmed the Union of Vilnius and Radom (1401). The Union established Sigismund Kęstutaitis as the Grand Duke of Lithuania and re-established Władysław II Jagiełło's seniority and dynastic interest in Lithuania.
The Ukmergė District Municipality is a municipality in Vilnius County, Lithuania. The capital of the municipality is Ukmergė, the largest settlement and only city in the municipality. The entire municipality belongs to Aukštaitija ethnographic region.
Lyepyel or Lepel is a town in Vitebsk Region, Belarus, located near Lyepyel Lake on the Vula River. It serves as the administrative center of Lyepyel District. Its population in the 1998 census was 19,400. As of 2024, it has a population of 17,106.
Sigismund Kęstutaitis was the Grand Duke of Lithuania from 1432 to 1440. Sigismund was his baptismal name, while his pagan Lithuanian birth name is unknown. He was the son of the Grand Duke of Lithuania Kęstutis and his wife Birutė.
The Battle of Wiłkomierz took place on September 1, 1435, near Ukmergė in the Grand Duchy of Lithuania. With the help of military units from the Kingdom of Poland, the forces of Grand Duke Sigismund Kęstutaitis soundly defeated Švitrigaila and his Livonian allies. The battle was a decisive engagement of the Lithuanian Civil War (1432–1438). Švitrigaila lost most of his supporters and withdrew to southern Grand Duchy; he was slowly pushed out and eventually made peace. The damage inflicted upon the Livonian Order has been compared to the damage of Battle of Grunwald upon the Teutonic Order. It was fundamentally weakened and ceased to play a major role in Lithuanian affairs. The battle can be seen as the final engagement of the Lithuanian Crusade.
Trakai Peninsula Castle is one of the castles in Trakai, Lithuania. It is located on a peninsula between southern Lake Galvė and Lake Luka. Built around 1350–1377 by Kęstutis, Duke of Trakai, it was an important defensive structure protecting Trakai and Vilnius, capital of the Grand Duchy of Lithuania, against attacks of the Teutonic Knights. Much of the castle was destroyed in the 17th century. Remaining walls and towers are preserved and protected by the Trakai Historical National Park.
Jonas Gostautas or Goštautas was a Lithuanian nobleman from the Grand Duchy of Lithuania of the Gasztołd (Goštautai) noble family, a politician and skillful land owner. He served as Chancellor of Lithuania between 1443 and 1458 and was a very close advisor and mentor to Casimir IV Jagiellon before he became the third Jagiellonian King of Poland.
Deltuva is a small town in Ukmergė district, Vilnius County, Lithuania. It is located 6 km north-west of Ukmergė, near the road to Kėdainiai. It has about 500 inhabitants.
Alanta is a small town in Molėtai district municipality, Lithuania. It is the administrative seat of the Alanta Elderate. According to a census in 2011, Alanta had 348 residents. It is situated at the crossing of two roads: Molėtai–Anykščiai and Utena–Alanta–Ukmergė. The town's St. Jacob's church was built in 1909.
The Lithuanian Civil War of 1432–1438 was a war of succession to the throne of the Grand Duchy of Lithuania, after Vytautas the Great died in 1430 without leaving an heir. The war was fought on the one side by Švitrigaila, allied with the Teutonic Knights, and on the other by Sigismund Kęstutaitis, backed by the Kingdom of Poland. The war threatened to sever the Union of Krewo, the personal union between Poland and Lithuania. Švitrigaila's alliance with the Grand Master of the Teutonic Order, Paul von Rusdorf, launched the Polish–Teutonic War (1431–1435) but failed to secure victory for Švitrigaila.
Lutsk Castle, also locally known as Liubart's Castle or Upper Castle, began its life in the mid-14th century as the fortified seat of Gediminas' son Liubartas (Lubart), the last ruler of united Galicia-Volhynia. It is the most prominent landmark of Lutsk, Ukraine and as such appears on the 200 hryvnia bill..
This is the 1431-1435 Polish-Teutonic War. For a list of all Polish-German Wars, see Polish-German Wars.
The Treaty of Christmemel was a treaty signed on 19 June 1431 between Paul von Rusdorf, Grand Master the Teutonic Knights, and Švitrigaila, Grand Duke of Lithuania. Švitrigaila was preparing for a war with Poland to defend his claim to the Lithuanian throne and sought allies. The treaty established an anti-Polish alliance and prompted the Knights to invade the Kingdom of Poland, starting the Polish–Teutonic War (1431–35). Lithuania also surrendered Palanga and three miles of the coastline on the Baltic Sea, thus modifying the Treaty of Melno of 1422.
Jakub Kobylański was a Polish knight, and a court marshal to the Lithuanian Grand Duke Vytautas (Witold) between 1425 and 1430. He also served as the castellan of Biecz from 1444, and of Gniezno from 1453 until his death. He was also the Royal Krajczy to King of Poland Casimir IV Jagiellon, beginning in 1450.
Hyeranyony is an agrotown in Iwye District, Grodno Region, Belarus. It serves as the administrative center of Hyeranyony selsoviet. It is located near the border with Lithuania and is known for the 16th-century Hieraniony Castle built by Albertas Goštautas. The village had a population of 1,278 in 2010.
Lithuania 
Vilnius County 
