Ambassadors of Japan and United States presented their credentials
On 20 October 2009, a ceremony of presenting Credentials to President of the Republic of Poland Lech Kaczyński was held in the Presidential Palace. Letters of Credence were presented by:
- Ambassador Extraordinary and Plenipotentiary of Japan - Yuichi Kusumoto
- Ambassador Extraordinary and Plenipotentiary the United States of America - Lee Feinstein.