Final answer:
The Sepoy Rebellion, also known as the Indian Mutiny, was a major uprising against British rule in India in 1857. It started when sepoys rebelled due to factors such as the use of cartridges greased with pork or beef fat, which offended their religious beliefs. The rebellion was eventually suppressed by the British, but it had lasting consequences.
Step-by-step explanation:
The Sepoy Rebellion, also known as the Indian Mutiny, was a major uprising against British rule in India that took place in 1857. It started when Indian soldiers called sepoys rebelled against the British East India Company due to various factors, including the introduction of new rifles with cartridges greased with pork or beef fat, which offended Muslim and Hindu soldiers' religious beliefs.
The rebellion spread across central and northern India, resulting in violence and massacres on both sides. Although the British eventually suppressed the revolt, it had significant consequences and led to changes in British policy towards India.