Dardanians are like people who lived a very long time ago in a place called Troy. Troy was a really big and important city that was very famous in stories and legends. The Dardanians were a group of people who lived in a part of Troy called Dardania. They were known for being really tough and brave fighters.
Now, you might be wondering why they're called "Trojan" and that's because they were part of the story of the Trojan War. The Trojan War was a big battle that happened a long time ago between the Trojans and some other people who didn't like them very much. It was a really important event in history and lots of people still talk about it today.
The Dardanians were important in the Trojan War because they were allies of the Trojans. That means they were friends and helped the Trojans fight against their enemies. They were really good at fighting and helped the Trojans win many battles.
So, to sum it up, the Dardanians were people who lived in a place called Troy a long time ago. They were known for being very strong and brave and were allies of the Trojans during the Trojan War.