1343
1.) Robert the Wise Angevine, King of Naples, King of Jerusalem, Count of Provence-Forcalquier becomes seriously ill.
2.) Elisabeth, Queen Mother of Hungary, arrives in Italy campaigning on behalf of her elder son, Louis I the Great Angevine, King of Hungary, Croatia, and Dalmatia to take the throne in place of her younger son Andrew, Duke of Calabria, heir to the Neapolitan throne.
3.) Robert dies.
4.) Pope Clement VI takes the side of Louis and Elisabeth over Andrew.
1344
1.) Louis I the Great Angevine, King of Hungary, is crowned King of Naples, King of Jerusalem, and Count of Provence-Forcalquier.
2.) Louis I and Stefan II Kotromanić, Ban of Bosnia, invade Zara declaring war on Venice. Zara is conquered and the Banate of Dalmatia is united with that of Bosnia as a reward to Kotromanić. The Republic of Ragusa is founded under Hungarian hegemony.
1345 1347
1.) Louis I, with significant aide from Kotromanić, campaigns in the Herzegovinan principalities and Cumania (Wallachia and Moldavia) with significant success.
1347
1.) Kotromanić invades Serbia on pretenses of aiding dynastic relatives in Montenegro gain independence. Louis I joins and the War of Montenegrin Independence begins officially on May 20.
2.) Albania rises in revolt under Charles Angevine, Duke of Durazzo, cousin to Louis I of Hungary, and legal claimant to the Albanian throne.
3.) The Battle of the Zeta takes place on July 3. Combined Hungarian, Bosniak, Montenegran, and Albanian forces crush the Serb military.
4.) The Treaty of Belgrade is signed ending the war. The treaty is signed by a collective of Serb lords in place of Stefan Duan, who has fled to exile in Bulgaria. Serbia becomes a Banate of Hungary under Charles, who also becomes the Prince of Albania.
5.) Bala I is crowned king of the newly independent Montenegro.
6.) Bala I and his three sons and heirs die under mysterious contexts. Kotromanić becomes the logical heir and is crowned king of Montenegro.
1349
1.) An assassination attempt organized by Charles I, Prince of Albania on the life of Louis I, who had only female heirs which would have allowed Charles to place a claim to the throne, is uncovered by Kotromanić. Charles is seized and executed by Hungarian forces and Louis I, the logical heir, takes the Albanian throne.
1351
1.) Louis I re-releases the Golden Bull of 1222, guaranteeing the rights of Hungarian nobility.
1352
1.) The Moldavian Voivodeship is founded out of Cummania by Louis I. Dragoş of Béltek Maramureş is sent by Louis I to establish a line of boundary against the Golden Horde. Dragoş continues the campaign extending Moldavia to the Dneister River.
1353
1.) Tvrtko I becomes Ban of Bosnia and King of Montenegro.
1354
1.) Byzantine Emperor John V Palaeologos appeals to Hungary for aide against the Ottomans. Louis I responds by sending a moderate force under Tvrtko, marking Hungarian entrance into the War of Adrianople.
1355
1.) Kazimierz Wielki III, King of Poland names Louis I, his nephew, as his successor.
2.) The War of Adrianople stalls and John V appeals for more help. Louis responds by sending another small army followed by a second soon there after.
1356
2.) The War of Ardrianople turns in favor of the Byzantines with The Fourth Battle of Adrianople. Most of the Hungarian forces, including Tvrtko, return home.
1358
1.) The War of Adrianople turns again, this time in favor of the Ottomans, with The Sixth Battle of Adrianople. John V does not request aide.
1359
1.) The Ottomans win the seemingly decisive Battle of Pentikion. John V seeks aide from Louis I but is denied.
2.) John V seeks aide again, pledging to hand over all Byzantine territory as far south as Thessaloniki in Greece excepting the Golden Horn and Gallipoli. Louis I responds by personally leading a large force.
3.) Bâlc Maramureş assumes the Voivodeship of Moldavia.
4.) Bogdan of Cuhea raises a revolt in Moldavia. Bâlc flees into Transylvania and requests help from Buda, which sends a small force to prevent Bogdan from entering Transylvania, but nothing more.
5.) Proclamation of the first Orthodox Romanian Metropolitan Church in Wallachia.
1359 1360
1.) A series of decisive battles takes place between the Magyaro-Byzantine forces and the Ottomans culminating in The Eighth Battle of Adrianople. The Ottomans return to Anatolia.
1360
1.) Louis I redirects his attention and leads a large number of troops into Moldavia, crushing the fledgling rule of Bogdan and reinstating Bâlc as vovoide. Bogdan flees to Walachia.
1361
1.) The Hungarian royal residence is moved by Louis I to Buda from Esztergom (Gran).
2.) Louis I invades Bulgaria.
1362
1.) Louis I defeats and captures Ivan Stratsimir, Tsar of Bulgaria, securing northern Bulgaria.
2.) Pope Urban V succeeds Pope Innocent VI in Avignon.
1363
1.) Byzantium wins the naval Battle of Megara against the Ottoman Turks.
2.) Epirus revolts against Byzantium, establishing a greater level of independence while the Byzantines are distracted defending against the Ottomans.
3.) Tvrtko invades and conquers Epirus, crowning himself Despot of Epirus.
1365 1370
1.) Louis I initiates a series of successful wars against Wallachia and Bulgaria. Wallachia is conquered in 1368, Bulgaria remains independent.
1366
1.) Decree of Turda negates nobility rights of the Orthodox Romanians in Transylvania, Hungary.
1369
1.) Jan Huss is born in Bohemia.
1370
1.) Kazimierz Wielki III, King of Poland, dies and Louis I the Great Angevine, King of Hungary, Croatia, and Dalmatia is crowned King of Poland.
2.) Pope Gregory XI succeeds Pope Urban V in Avignon.