ELI5: Explain Like I'm 5

Christianity in the 4th century

Okay kiddo, so you know how there is this religion called Christianity, right? Well, in the 4th century, which means around the year 300-400, it was becoming a really important religion in some parts of the world.

You see, there were a lot of different groups of people who believed in Jesus, but they didn't all agree about what he meant or how to worship him. Some people thought he was just a wise teacher, while others believed he was the son of God and could perform miracles.

Now, in the 4th century, there was an emperor named Constantine who was ruling over a big chunk of the world. He was curious about Christianity and decided to try and unite all the different Christian groups. So he got some of their leaders together in a big meeting called the Council of Nicaea.

At this meeting, they talked about a lot of things like the nature of God, the role of Jesus, and how to celebrate religious ceremonies. They eventually came up with a set of beliefs and rules that all Christians would follow, and this became known as the Nicene Creed. It basically said that Jesus was equal to God and that he died and came back to life to save people from their sins.

This was a really important moment for the history of Christianity, because it helped create a more organized and unified religion. It also made Christianity more popular and important in the Roman Empire, and eventually, it would spread to become the world's largest religion.

So, that's the story of Christianity in the 4th century, and how a big meeting helped shape the beliefs and practices of millions of people around the world.