A note from the Minister of Foreign Affairs of the Netherlands (Jonkheer van Karnebeek) to the Prime Minister and Minister of Foreign Affairs of Poland (Ignacy Jan Paderewski) stating that the Netherlands recognized Poland de jure as an independent and sovereign state. At the same time, the Dutch government declared that it had decided to establish diplomatic relations with the Polish government - Establishment of diplomatic relations: 25/7/1919, Information provided by the Netherlands and Poland.
Presentation of credentials of first diplomatic envoy of Poland: 13/9/1919, Information provided by the Netherlands.
The chargé d'affaires of the Polish Legation (Jan Włodek) submitted introductory letters to the Ministry of Foreign Affairs in The Hague: 16/9/1919, Information provided by Poland.
Foundation of the diplomatic representation of Poland: 1919, Information provided by the Netherlands.
Nomination of the first diplomatic envoy of Poland: 1919?, Information provided by the Netherlands.
Foundation of the diplomatic representation of the Netherlands: 1920, Information provided by the Netherlands.
Nomination of the first diplomatic envoy of the Netherlands: 20/10/1920, Information provided by the Netherlands.
Presentation of credentials of first diplomatic envoy of the Netherlands: 10/12/1920, Information provided by the Netherlands.
The Dutch envoy (Reynier Flaes) presented his credentials to the president of the National Council (Bolesław Bierut) in Warsaw: 21/12/1945, Information provided by Poland.