What are the origins of Spain's tapas food culture?

Tapas are an intrinsic part of Spanish eating culture, consisting of small plates of food shared with friends or family along with drinks. There are some fascinating theories about how this typically Spanish way of dining came to be.

What are the origins of Spain's tapas food culture?
Tapas are an intrinsic part of Spanish eating culture, consisting of small plates of food shared with friends or family along with drinks. There are some fascinating theories about how this typically Spanish way of dining came to be.