1919 ⟶ Polish-Soviet War Begins

The Polish–Soviet War begins with border clashes between the...
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Year
1918
1919
1921
1932
1934
1939

⚔️ Hungarian–Romanian War Begins

The Hungarian–Romanian War begins.⟶
Hungarian–Romanian War Begins (1918)
HungaryRomaniaWarWorld War IPost-WarTerritorial DisputesEastern Europe

⚔️ Polish-Soviet War Begins

The Polish–Soviet War begins with border clashes between the two states.⟶
Polish-Soviet War Begins (1919)
Eastern EuropeWarPolandRussiaConflictBordersSoviet Union

🕊️ Polish–Soviet War Ends with Peace of Riga

The Polish–Soviet War ends with the Peace of Riga.⟶
Polish–Soviet War Ends with Peace of Riga (1921)
PolandSoviet Unionpeace treatyterritorial changesinterwar periodRigawar

🤝 Soviet-Polish Non-Aggression Pact Signed

Soviet–Polish Non-Aggression Pact is signed with it being initially effective for three years.⟶
Soviet-Polish Non-Aggression Pact Signed (1932)
RussiaPolandPactNon-AggressionDiplomacyEuropeEastern EuropeSoviet UnionInternational RelationsTreaty

🤝 Soviet-Polish Non-Aggression Pact Extended

Soviet–Polish Non-Aggression Pact is extended to December 31, 1945.⟶
Soviet UnionPolandtreatynon-aggressiondiplomacyEastern Europeinterwar period

⚔️ Slovak-Hungarian War Begins

The Slovak–Hungarian War begins.⟶
Slovak-Hungarian War Begins (1939)
warSlovakiaHungaryborder conflictterritorial disputeEastern Europeconflictpre-war tensionsminor powersinternal conflict