The American Revolution began in 1775. It was a significant event in the history of the United States as it marked the beginning of the country's fight for independence from British rule. The revolution had a profound impact on the political, social, and economic landscape of America.

Causes of the American Revolution
- The American Revolution was primarily fueled by grievances against British policies and taxation without representation. The colonists felt that they were being unfairly treated by the British government and wanted to have a say in the decisions that affected their lives.
- The imposition of various acts by the British, such as the Stamp Act and the Townshend Acts, which levied taxes on the American colonies, further agitated the colonists and led to widespread protests and resistance.

Key Events Leading to the American Revolution
- The Boston Massacre: In 1770, tensions between the colonists and British soldiers escalated, resulting in a clash known as the Boston Massacre, where British soldiers fired on a crowd of colonists, killing five people. This event further intensified the anti-British sentiment among the colonists.
- The Boston Tea Party: In 1773, a group of colonists, disguised as Native Americans, boarded British ships and dumped tea into the Boston Harbor to protest against the Tea Act, which gave the British East India Company a monopoly on the tea trade. This act of rebellion became a symbol of resistance and played a crucial role in galvanizing support for the revolution.

Outbreak of the American Revolution
- Battles of Lexington and Concord: On April 19, 1775, the first shots of the American Revolution were fired in the battles of Lexington and Concord. British troops were sent to Lexington to seize colonial weapons and arrest revolutionary leaders. However, colonial militias intercepted the British troops and engaged in armed conflict. This marked the beginning of the armed resistance against British rule.

Significance of the American Revolution
- The American Revolution resulted in the formation of the United States of America as an independent nation. The colonists successfully fought for their rights and established a new government based on principles of liberty and democracy.
- The revolution inspired other revolutionary movements around the world, such as the French Revolution, and served as a catalyst for the spread of democratic ideals.
- The American Revolution also led to significant social and economic changes in America, including the abolition of slavery in the northern states and the expansion of trade and industry.

In conclusion, the American Revolution began in 1775 with the battles of Lexington and Concord. It was a response to the oppressive policies of the British government and marked the beginning of the fight for American independence. The revolution had far-reaching consequences, shaping the future of the United States and inspiring revolutionary movements worldwide.