Since the 16th century the popes have frequently encouraged the faithful of East and West to pray the Rosary. The first was a Dominican pope, Saint Pius V, who wrote a papal letter about the Rosary in 1569 shortly after the Council of Trent, and instituted the feast of Our Lady of the Rosary.
Tangu karne ya 16 mapapa na mara nyingi moyo mwaminifu wa Mashariki na Magharibi ili kuomba Rozari. kwanza alikuwa papa Dominika, Saint Pius V, ambaye aliandika barua ya papa kuhusu Rozari katika 1569 muda mfupi baada ya Baraza la Trent, na aliweka sikukuu ya Mama yetu wa Rozari.