Mesopotamia literally invented writing, maths, and beer, so we all owe it a round.
Fun fact: Ancient Sumerians in southern Iraq invented writing around 3400 BC, the dawn of recorded history.
Lego, pastries, and a word for cosiness the English-speaking world spent about five years going on about.
Fun fact: The Danish flag has been in continuous use since 1219, making it the world's oldest state flag.