Simplify the following text for a Grade 13 native English-speaking person.
Original: It added to an increasingly full calendar of Protestant celebrations that contributed to the national and religious life of 17th-century England , and has evolved into the Bonfire Night of today .
Simplified: It added to an increasingly full calendar of Protestant celebrations which contributed to the national and religious life of seventeenth-century England . Through various permutations , this has evolved into the Bonfire Night of today .