Complex sentence: In 1592 a hunter accidentaly shot the painting and since then the popular belief attributed to the painting miracolous properties, healings and conversions, the word spread and in a few years and pilgrims from all over Europe came to visit the miracolous painting.
Split into simpler sentences: In 1592 a hunter accidentaly shot the painting and since then the popular belief attributed to the painting miracolous properties, healings and conversions. The word spread quickly and in a few years pilgrims from all over Europe came to visit the miracolous painting.