Complex sentence: West Germany in 1982 formally recognized that genocide had been committed against the Romani; in 2011 the Polish Government passed a resolution for the official recognition of the 2nd of August as a day of commemoration of the genocide.
Split into simpler sentences: West Germany in 1982 formally recognized that genocide had been committed against the Romani. In 2011 the Polish Government passed a resolution for the official recognition of the 2nd of August as a day of commemoration of the genocide.