There was a huge rivalry between Persians and Greeks which caused the beginning of the Persian Wars.
Conflict and Escalation
The Persians had more soldiers than the Athens, but they were not prepared and this caused them to lose more than 6,000 soldiers. After Athens won the battle, they sent Pheidippides to tell the rest of Athenians. He ran 26.2 miles.
Battle of Salamis
Persian King, Xerxes, gets a huge army and marches them towards Thermopylae. They are met by 7,000 Greeks and 300 Spartans. By the end, the Persians had lost again.
Consequences of Persian Wars
Xerxes burnt Athens down while Greeks fled to th island of Salamis
Xerxes wanted to attack Athens again, but instead of fighting on land, they had a navy battle. Greeks had small boats to navigate the narrow channel while Persians had huge ships that were too difficult to turn.
Small boats only
Greek city-states unified and formed the Delian League