The Pioneers served an important propaganda function, as a central part of their activity lay in mass demonstrations, held on August 23, May 1, November 7, and, starting in the 1950s, on the birthdays of Vladimir Lenin and Joseph Stalin, as well as Youth Day. In later years, three to five thousand Pioneers would be brought to Bucharest (7,000 in 1987), training rigorously every day for a month (two hours in the morning and two in the evening) before their moment in the spotlight.