Carlo Acutis passed from Leukaemia in 2006 but, ahead of his death, had spread the teachings of Catholicism and set up a website to document reports of miracles.
Worshippers stand before a relic of Carlo Acutis, a British-born Italian boy who became the first millennial Catholic saint, as they attend a Holy Mass celebrating his canonisation, at Parish Saint Carlo Acutis in Sao Paulo, Brazil September 7, 2025.(photo credit: REUTERS/Jean Carniel)ByDANIELLE GREYMAN-KENNARD, REUTERS