Major ,the oldest pig, did a political speech about their lives and how the human treat them. They weren't free and happy. He think they need to rebel against Mr. Jones, the owner of Manor Farm.
Old Major dies. Now Snowball and Napoleon are the leaders. After the pigs made the rebellion they wrote seven Commandments. They also rename Manor Farm, calling it Animal Farm instead.
After the rebellion the animals began to work all together. They are happy, motivated and equal.
Jones and a group of men arrived at Animal Farm and attempted to seize control of it. Snowball drove with the help of the other animals Jones and his men away. The animals then celebrated their victory in what they called "The Battle of the Cowshed."
Clover discovered that Mollie spoke with a man of Pilkington Farm then she disappeared. Snowball and Napoleon had become bitter rivals with one another. Napoleon called dogs, who chased Snowball off the farm.
The pigs moved into the farmhouse. They awaked to find the almost finished windmill in ruins. Even though there had been a violent windstorm the night before, Napoleon blamed in it on Snowball.