By the end of the 12th century they had become holy days of obligation across Europe and involved such traditions as ringing church bells for the souls in purgatory.
Pada akhir abad ke-12 hari-hari tersebut menjadi hari raya wajib di seluruh Eropa dan mencakup berbagai tradisi seperti membunyikan lonceng gereja bagi jiwa-jiwa di api penyucian.