"Katyń" also became a very powerful theme used by the Solidarity (Solidarnośc) movement, the "Katyń crime" symbolically represented all of the crimes of Soviet totalitarianism in Poland and the search for truth.
Below one of numerous stamps and other printed materials produced by Solidarity to memorialise the Katyń crime.
"Katyń" has proved the insurmountable stumbling-block to Polish-Russian relations even to this day whereas German-Polish reconciliation has overcome many obstacles.
Despite the political dimension behind this European grouping has published some interesting articles:
www.enrs.eu - katyn-in-the-memory-of-europeans