Jadwiga Majchrzycka
The yellowing papers known as the Majchrzycka archive were secretly copied by Home Army soldier Jadwiga Majchrzycka and provide key evidence of the Soviet Union’s massacre of Polish officers at Katyń in 1940.
Mateusz Marek/PAP/Archiwum Akt Nowych
Rare documents listing Katyń massacre victims go on public show to mark official Victims’ Memorial Day
