1919 ⟶ Hungarian–Romanian War Ends
The Hungarian–Romanian War ends.Year
1918
1919
1939
⚔️ Hungarian–Romanian War Begins
The Hungarian–Romanian War begins.⟶

HungaryRomaniaWarWorld War IPost-WarTerritorial DisputesEastern Europe
🕊️ Hungarian–Romanian War Ends
The Hungarian–Romanian War ends.⟶
Eastern EuropeWarHungaryRomaniaConflictTreaty
⚔️ Polish-Soviet War Begins
The Polish–Soviet War begins with border clashes between the two states.⟶

Eastern EuropeWarPolandRussiaConflictBordersSoviet Union
⚔️ Slovak-Hungarian War Begins
The Slovak–Hungarian War begins.⟶

warSlovakiaHungaryborder conflictterritorial disputeEastern Europeconflictpre-war tensionsminor powersinternal conflict
🕊️ Slovak–Hungarian War Ends
The Slovak–Hungarian War ends.⟶
SlovakiaHungaryWarBorder DisputeTerritorial ChangesCentral Europe1939
🕊️ Romania Votes for Neutrality
The Crown Council of Romania votes in favour of the country's neutrality in the war.⟶

RomaniaNeutralityDiplomacyEuropeWarEastern Europe