Revolt of 1857 in Haryana:
Revolt of 1857, also known as the First War of Independence, was a significant event in Indian history that began as a mutiny by Indian soldiers against the British East India Company. In Haryana, the revolt started in Ambala.

Reasons for the Revolt:
- The discontent among the Indian soldiers due to various factors such as low pay, racial discrimination, and the use of the Enfield rifle cartridges greased with animal fat, which offended both Hindu and Muslim sepoys.

Initiation of the Revolt in Ambala:
- Ambala was a key military station during the British rule in India, with a large presence of Indian soldiers.
- The revolt in Ambala was triggered by the Indian soldiers stationed there who rose against the British authorities in May 1857.
- The sepoys in Ambala mutinied, killed several British officers, and took control of the city for a brief period.

Spread of the Revolt:
- The revolt in Ambala inspired other regions in Haryana and neighboring areas to join the uprising against British rule.
- The news of the revolt in Ambala spread rapidly to other parts of the country, leading to a widespread rebellion against the British.

Impact of the Revolt:
- The Revolt of 1857 had a lasting impact on the Indian freedom struggle as it marked the beginning of a more organized resistance against British colonial rule.
- The events of the revolt in Ambala and other regions of Haryana played a crucial role in shaping the course of the independence movement in India.
In conclusion, the Revolt of 1857 in Haryana started in Ambala and had significant implications for the struggle for independence in India.