The date of 23 August was adopted as an official day of remembrance for victims of totalitarianism by international bodies and various countries after it was proposed by the 2008 Prague Declaration, initiated by the Czech government and signed by (among others) Václav Havel, Joachim Gauck, Vytautas Landsbergis, Emanuelis Zingeris, and Łukasz Kamiński on 3 June 2008.
23. avgusta 1986 so se zbrali demonstrantje ob dnevu črnega traku v 21 zahodnih mestih, med drugim v Londonu, Los Angelesu, New Yorku, Ottawi, Perthu, Seattlu, Stockholmu in Washingtonu.