Mirdasids are people who lived a very long time ago in an area called the Middle East. They were a group of people who ruled over a place called the city of Aleppo, which is now in modern-day Syria. They were very important because they helped to protect the people who lived in Aleppo from enemies who wanted to take over their city and hurt them.
The Mirdasids were really good at fighting and they had a big army that they used to protect the people in their city. They were also really smart and they built lots of buildings and things that helped to make their city stronger and more beautiful.
Even though the Mirdasids were very powerful and important, they eventually lost their power and control over Aleppo. But their legacy lives on through the many things they built and the way they helped to protect their people.