Okay, so imagine you have a really big playground with lots of toys and games. But some of the kids who come to play on the playground get into fights and argue over who gets to play with which toys. So, they decide to split up into two groups and each group gets their own part of the playground to play on without bothering the other group.
This is kind of what happened in South Africa a long time ago. There were a lot of different groups of people living there, with different cultures and beliefs. Eventually, one group called the Boers decided they wanted to have their own piece of land to live on, away from the other groups. So, they formed the Orange Free State and made their own rules and government that they believed in.
The Orange Free State was a place where the Boers could keep their traditions and culture alive, without being influenced by the other groups in South Africa. They made their own laws and had their own leaders. They even fought a war against the British to try to keep their freedom.
Eventually, the Orange Free State became a part of South Africa again, but it still has a lot of pride in its history and culture. So, it's like a special part of South Africa with its own traditions and story.