at the beginning of the story old major gave a speech about how the animals should gain freedom by overthrowing jones and teaches them beasts of England then dies shortly after
the rebellion occurs when the animals invade the food shed due to Jones not feeding them. then the animals win the farm after jones and his wife run away.
the battle of the cowshed occurs when jones and men from nearby farms try to retake the farm but the animals have defenses. the defenses are pigeons pooping on their heads then geese pecking there knees followed by sheep head butting them then the animals retreat into a ambush
napoleon chases snowball off the farm and takes power after then Napoleon bans the Sunday meetings and cuts the animals rations then forces them to build a windmill. Then the windmill gets destroyed by a strong wind storm and Napoleon blames Snowball for it. Napoleon also breaks a lot of the commandments such as him and the pigs sleeping in beds and changing the rules and also staying in the house. after the windmill is destroyed they build another one with thicker walls then it gets blown up by humans in a raid. the pigs start drinking alcohol and getting drunk then decide to make barley to make more of it.
boxer gets a lung injury while working and starts spitting up blood. then once he heals he is old so napoleon decides to send him to the "vet" for a surgery but sells him to a slaughter house and then announce that he died peacefully in the vet when he got killed in the slaughterhouse. then napoleon says that the slaughterhouse sign on the side of the van was just a vet van and they haven't painted it yet.
the pigs start to carry whips with them when they are supervising and the pigs cut rations even more. the pigs start to walk on two legs and wear human clothes also they smoke and drink even more alcohol. the pigs have a meeting with the humans and agree to work together and they get in a fight and the animals are under complete control of napoleon