The Hellenic era is based on Ancient Greek civilization between 510 BCE and 323 BCE. This era is also known as “Classical Greece.” The Hellenic era is when Ancient Greece was dominated by Athens. In 510 BCE, the last Athenian tyrant was overthrown, resulting in the first democracy being created in Athens. The Hellenistic era is based on Ancient Greek civilization between 323 BCE and 146 BCE. The major change between the two eras was when Alexander the Great died.
When Alexander the Great dies the Greek world was forever changed. Alexander had campaigns that brought the Greeks into contact with Asian culture. He also wanted to incorporate Greek and Macedonian cultures with cultures he encountered.
The Hellenic era had the invention of philosophy whereas the Hellenistic period had philosophers who wanted reason rather than the truth. In the Hellenic world, they created what we call “art” today. In the Hellenistic world, they created “trash” works. They didn’t focus on former idyllic beauties, instead, they emphasized extreme naturalism. For science, the Hellenic era “birthed” a lot of well-known scientist and theories. The Hellenistic era built off of those created in the Hellenic