What are some renaissance customs, beliefs, and history facts?

Men would greet another man by grasping his right wrist, followed by a pat on the back with their left hand. They did this in a very suspicious way because by grasping the wrist and patting the back was to check for weapons. When women were greeting women they would grab each others shoulders and then kiss the air on each side of the check three times. But they were never, ever to touch each other’s skin. Humanism was an intellectual movement during the Renaissance that emphasized classical learning and human potential and achievements. This Renaissance thinking was reflected in the art of the period. Renaissance art became much more realistic, using a technique called perspective, giving paintings a three dimensional appearance as opposed to the two dimensional artwork from earlier times. Some beliefs were Humanism; belief that the humans and their activities as significant.
Individualism; belief in the importance of the individual and in the virtues of self-reliance and personal independence. Skepticism; belief in questioning the world and environment around you, don't take things at face value. The Renaissance was a period in history between the 14th and 17th Centuries, associated with a wave of new artistic, scientific and cultural achievements.