hi! there's always room for more contributions, but FYI this question has come up a few times; see here for previous responses

When did people start clapping to show appreciation?

Is clapping/applause a "pre-historical" concept? Do we have evidence of it being written/drawn about and spread through cultures?

How did the round of applause come into being?

When did the act of applause become commonplace?

How/when did clapping become an appropriate form of appreciation?

bonus answer (such as it is)

When did the term "boo!" originate as a negative cheer during sporting events?