Renaissance Humanism was an intellectual movement typified by a revived interest in the classical world and studies which focussed not on religion but on what it is to be human. Its origins went back to 14th-century Italy and such authors as Petrarch (1304-1374) who searched out 'lost' ancient manuscripts. By the 15th century, humanism had spread across Europe.
This is a companion discussion topic for the original content at https://www.worldhistory.org/Renaissance_Humanism/.