Jarosław Kaczyński, leader of the Law and Justice party, made the claim at a ceremony presenting a report detailing Poland's losses resulting from the German invasion.
Germany is committed to preserving the memory of the crimes committed by Germans during the Second World War, the German ambassador said on Thursday.
Speaking at a ceremony to commemorate the 83rd anniversary of the start of the Second World War, President Andrzej Duda has called on Poland's allies to assist Ukraine and halt Russian imperialism.
Signed on this day 83-years ago, the agreement sealed Poland’s fate and would directly lead the world to war.
The Baltic Sea bed is littered with mines, bombs and chemical weapons left over from the Second World War that could cause an environmental disaster as they corrode over time, a leading Polish newspaper has reported.
Following wide-spread media coverage in both Poland and the UK, communities from both countries came together to raise a whopping £22,460.
Using a mobile app to calculate the exact time a picture was originally shot, the complex process involved Marcin Dziedzic having to account for weather, light and angles before being able to successfully overlap the parallel worlds of then and now.
A Polish deputy foreign minister has played down comments made by Ukraine's ambassador to Germany that belittled crimes committed by Ukrainian nationalists on Poles during World War II.
During WWII, the site of the dig in what is now Warsaw’s Muranów district was the headquarters of the Jewish Combat Organisation, which was instrumental in organising and launching the ghetto uprising.
Dating from the turn of the 20th century when the school was founded, the city’s coat of arms was in use from 1530 to 1938 when the Nazis ordered that all the old coats of arms be replaced with a new two-field one.