The handshake has been used since 5th century B.c. And many people have had different forms of the hand shake.
The handshake has changed with who uses it. You can make you're own handshakes and have different handshakes for each person. Handshakes can vary.
The handshake dates back to 5th century B.C in greece. In different countries people have different ways of greeting eachother.
A handshake is a ritual that people do to greet eachother. When someone meets someone new they shake hands. It can be formal or informal.