The Minister of Foreign Affairs of Czechoslovakia (Edvard Beneš) appointed a government delegate to Warsaw (Vladimir Radimský), who was entrusted with the mission of establishing diplomatic relations: 5/6/1919, Information provided by Poland.
Agrément of the Polish ambassador in Prague: 21/6/1919 (Czechoslovak Republic), Information provided by Czech Republic
The representative of Poland, with the rank of legation counselor (Alfred Wysocki), took up the position of delegate of the Polish government in Prague in order to organize a diplomatic mission: 12/7/1919, Information provided by Poland.
The Polish delegate (Alfred Wysocki) submitted cabinet (recommendation) letters to the Ministry of Foreign Affairs in Prague: 11/9/1919, Information provided by Poland.
The Minister of Foreign Affairs of Czechoslovakia (Edvard Beneš) appointed the government delegate (Vladimir Radimský) to the position of chargé d'affaires at the diplomatic mission in Warsaw: 25/2/1920, Information provided by Poland.
Presentation of credentials of the chargé d´affaires (Vladimir Radimský). Foundation of the embassy of Czechoslovak Republic: 23/3/1920 (Czechoslovak Republic), Information provided by Czech Republic and Poland.
The Polish delegate (Alfred Wysocki) as chargé d'affaires of the Polish Legation submitted introductory letters to the Ministry of Foreign Affairs in Prague: 16/10/1920, Information provided by Poland.
Polish envoy (Erazm Piltz) presented his credentials in Prague to the President of Czechoslovakia (Tomáš Masaryk): 18/11/1920, Information provided by Czech Republic and Poland.
The envoy of Czechoslovakia (Prokop Maxa) presented his credentials to the Chief of State (Józef Piłsudski) in Warsaw: 14/5/1921, Information provided by Poland.
The envoy of Czechoslovakia (Josef Hejret) presented his credentials to the president of the National Council (Bolesław Bierut) in Warsaw: 18/5/1945, Information provided by Poland.
The Polish envoy (Stefan Wierbłowski) presented his credentials to the President of Czechoslovakia (Edvard Beneš) in Prague: 22/6/1945, Information provided by Poland.
Presentation of credentials of the ambassador (M. Fialková): 8/5/1990, Information provided by Czech Republic.
The establishment of diplomatic relations between the Republic of Poland and the Czech Republic occurred automatically as a result of Poland recognizing the Czech Republic as the successor of Czechoslovakia.The current ambassadors serving in Prague (Jacek Baluch) and Warsaw (Markéta Fialková) remained in their offices: 01/1/1993, Information provided by Poland.