Polish ultimatum to Czechoslovakia

E646011

The Polish ultimatum to Czechoslovakia was a 1938 diplomatic demand by Poland that forced Czechoslovakia to cede the disputed Zaolzie region, exploiting the Munich Crisis and contributing to the dismemberment of the Czechoslovak state.

All labels observed (1)

Label Occurrences
Polish ultimatum to Czechoslovakia canonical 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf diplomatic ultimatum
interwar diplomatic event
acceptedBy Czechoslovakia NERFINISHED
affectedEthnicGroup Czechs in Zaolzie NERFINISHED
Poles in Zaolzie
affectedPopulation inhabitants of Zaolzie
appliesToTerritory Trans-Olza NERFINISHED
chronology occurred immediately after Munich Agreement
context Sudeten Crisis NERFINISHED
interwar Polish foreign policy
territorial disputes after World War I
contributedTo First Czechoslovak Republic disintegration
dismemberment of Czechoslovakia
country Poland
date 1938
30 September 1938
demandedAction cession of Zaolzie to Poland
follows Munich Agreement NERFINISHED
historicalPeriod interwar period
historicalSignificance example of opportunistic territorial expansion
precedent to territorial changes before World War II
imposedBy Polish government NERFINISHED
languageOfDiplomaticNote French
Polish
legalForm diplomatic note
location Cieszyn Silesia NERFINISHED
Zaolzie NERFINISHED
mainSubject Zaolzie NERFINISHED
method threat of military force
opposedBy Czechoslovak government NERFINISHED
partOf Munich Crisis NERFINISHED
precedes German occupation of Czech lands
creation of Protectorate of Bohemia and Moravia
reason Polish claim to Zaolzie
ethnic Polish population in Zaolzie
opportunity created by Munich Agreement
relatedEvent First Vienna Award NERFINISHED
German annexation of Sudetenland NERFINISHED
relatedTo Polish–Czechoslovak border dispute
Treaty of Versailles territorial settlements NERFINISHED
result Polish annexation of Zaolzie NERFINISHED
cession of Zaolzie by Czechoslovakia
territorial change in Cieszyn Silesia
weakening of Czechoslovakia
targetCountry Czechoslovakia NERFINISHED
temporalRelation shortly before World War II
typeOfAction coercive diplomacy

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Zaolzie annexation of 1938 precededBy Polish ultimatum to Czechoslovakia