O fez em concomitância com a canonização de Faustina Kowalska, humilde religiosa polonesa, nascida em 1905 e falecida em 1938, zelosa mensageira de Jesus misericordioso.
The pronouncement coincided with the canonization of Faustina Kowalska, a humble Polish nun, who was born in 1905, died in 1938, and was a zealous messenger of the Merciful Jesus.