ELI5: Explain Like I'm 5

Popish Plot

The Popish Plot was a big problem in England a long, long time ago. There were some people who really didn't like the Catholics, who had slightly different religious beliefs, and they were very scared of them. One man named Titus Oates claimed that he had learned about a secret plan by the Catholics to kill the king, Charles II, and take over the country. He said that they had a whole army of secret agents, and they were going to start a huge war!

Many people believed Titus Oates and started to freak out. They arrested a lot of Catholics, even some who were innocent, because they thought they were part of the secret plan. They put some of them in jail, and even worse, some of them were killed. Lots of people started to hate the Catholics even more because they were scared and believed that they were in danger.

But... there was a problem. It turned out that Titus Oates might not have been telling the truth. Some people started to think that he was making it all up, maybe because he wanted to get famous or because he didn't like the Catholics. Over time, more and more people began to realize that the Popish Plot wasn't real, but by then a lot of harm had already been done.

So the Popish Plot was a big, scary thing that happened a really long time ago. It made people very worried about the Catholics, and caused a lot of harm to innocent people. But in the end, it turned out that it might not have been real after all.