Long ago, some people had special beliefs. 

Long ago, the Celts had many beliefs. 


The ancient Celts had many different beliefs. 

Druids were the priests for the Celts. They led many religious tasks. Celts held ceremonies in sacred groves. These groves were called nemetons. They also built temples or ritual areas. People gave gifts to show their faith. They put these gifts in water or wells. 
We learn about them from old objects. We also read stories from Greek and Roman writers. These writers sometimes had a bias. A bias means they might not be fair. Many Celts also believed in spirits. They thought every part of nature had a spirit. This idea is called animism. Today, some people still study these old ways.
The ancient Celts had a very special way of seeing the world. They practiced a religion known as Celtic paganism. This was a polytheistic faith, which means they believed in many different gods and goddesses. 
People did many things to show their faith. They often held special ceremonies in sacred groves. These natural places were called nemetons. 

We do not have books written by the Celts themselves. This makes learning about them a bit like a puzzle. 
Many famous names belong to Celtic gods. 
Celtic beliefs changed as time went on. When the Romans conquered lands like Gaul, the religions mixed together. This created a new way of worship called Gallo-Roman religion. Eventually, most people in these areas became Christians. In places like Britain, Anglo-Saxon beliefs also moved in.
Ancient Celtic religion, often called Celtic paganism, was the belief system of the Celtic peoples across Europe. It was a polytheistic religion, meaning followers worshipped many different gods and goddesses. 

To understand these beliefs, researchers use three main types of evidence. First, they study archaeology, which includes physical objects found in the earth. Second, they examine Greco-Roman accounts written by outsiders. Third, they look at medieval literature from Ireland and Wales. 
The mechanics of Celtic worship involved various sacred spaces and ritual actions. Many ceremonies took place in sacred groves or natural shrines called nemetons. 

Celtic deities were diverse and often categorized by their roles or regions. Many gods had names that appeared in different forms across various tribes. Some were pan-regional, meaning they were worshipped over very large areas. Others were local, tied to a specific tribe or small territory. A common theme in their theology was triplicity, where certain deities were seen as threefold, such as the Three Mothers. 
Specific gods can be identified through surviving names and descriptions. Taranis was a celestial god associated with thunder, the bull, and the wheel. Epona was a widely recognized goddess of horses. 
The history of Celtic religion is a story of change and mixing. Following the Roman conquest of Gaul between 58 and 51 BCE, and southern Britain in 43 CE, religions began to merge. This resulted in a syncretic Gallo-Roman religion, where Celtic and Roman gods were combined. Examples include Lenus Mars and Apollo Grannus.
Despite these changes, Celtic religion left a lasting legacy. Its influence can be seen in the mythology of Celtic nations and in modern movements. In the 20th century, Celtic neopaganism emerged as a new religious movement. These groups range from Reconstructionists, who try to practice the ancient religion with high accuracy, to New Age or eclectic groups. Some of these modern followers identify with Neo-Druidry. Even today, the complex patterns and myths of the ancient Celts continue to inspire wonder and study.
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