Many modern ideas are rooted in the Greek civilization of 2500 years ago. Each independent city-state had its own culture, language, values, and government. The Spartans' strong army fought invading Persians. Athens, the birthplace of democracy, was the centre of art and learning, with scholars, scientists, and philosophers still studied today. Their gods and goddesses were believed to control much of life, and are often referenced in modern culture. Sporting events were popular, and the Olympic Games started here. The ideas of ancient Greeks are still very much alive today. Video developed by a history curriculum writer.