The delegate of the Polish government (BronisławBouffałł) submitted letters of recommendation to the Minister of Foreign Affairs of Latvia (Zigfrïds Anna Meierovics) in Riga: 30/10/1919, Information provided by Poland.
The signing of an accreditation letter for the Polish charge d’affaires in Latvia (Witold Kamieniecki): 6/7/1920, Information provided by Poland.
Poland recognized Latvia de jure. Witold Kamieniecki handed a note [backdated - 1920.12.31, signed by the Minister of Foreign Affairs of the Republic of Poland (Eustachy Sapieha)] to the Minister of Foreign Affairs of Latvia (Zigfrïds Anna Meierovics): 27/1/1921, Information provided by Poland.
Signing a credentials of the Polish envoy to Latvia (WitoldJodko-Narkiewicz) - lack of a document confirming the date of handing over the letters: 22/10/1921, Information provided by Poland.
The Latvian envoy (Mārtiņš Nukša) presented his credentials to the Chief of State (Józef Piłsudski): 2/12/1921, Information provided by Poland.
An approving note of the Latvian Minister of Foreign Affairs (Janis Jurkans), in response to the note (1991/8/28) of the Minister of Foreign Affairs of the Republic of Poland (Krzysztof Skubiszewski), with a proposal to resume diplomatic relations: 30/8/1991, Information provided by Latvia and Poland.