The massacre, which still casts a shadow over Polish-Russian relations, was a series of mass executions of Polish POW's, mainly military officers and policemen, carried out by the NKVD in April and May 1940.
Ceremonies took place across in Poland on Saturday to commemorate the 11th anniversary of the Smolensk air disaster, which killed 96 people, including Poland's then president Lech Kaczyński, during a landing attempt on a military airfield in western Russia.
The 76th anniversary of the liberation of Auschwitz on January 27 will this year be held online and will highlight the fate of children in the camp.
Poland on Monday held a commemorative ceremony marking the 80th anniversary of the sealing off of the Warsaw Ghetto, which opened another stage of the implementation by Nazi Germany of the planned extermination of the Jewish nation.
Polish medical biologist Maciej Tarkowski from Milan was awarded the Knight's Cross by Italian President Sergio Mattarella on Tuesday for his services in the fight against the COVID-19 pandemic.
A ceremony was held in Kiev on Monday to officially greet Polish President Andrzej Duda and his wife, Agata Kornhauser-Duda, who are meeting Ukrainian President Volodymyr Zelensky as part of a three-day official visit.
The government supports and will support the rights of national and ethnic minorities, Interior Minister Mariusz Kaminski said on Wednesday in Warsaw at a ceremony marking the 15th year of a Government-National and Ethnic Minority Joint Commission.
The couple from the village of Wysoka, about 30 kilometres from Kraków, risked their lives by taking in Polański who was 10 at the time after he had escaped along with his father from the Kraków Ghetto in 1943.
Germany's new ambassador to Poland, Arndt Freytag von Loringhoven, presented his credentials on Tuesday to Polish President Andrzej Duda, the final procedure before starting his diplomatic mission.
Polish President Andrzej Duda handed general-rank nominations to 13 officers during a ceremony at the Presidential Palace on the eve of Polish Army Day and the centenary of the 1920 Battle of Warsaw, in which Polish forces halted a Europe-advancing Red Army.