Commander-in-Chief of the Continental Army during the American Revolution:
The commander-in-chief of the Continental Army during the American Revolution was George Washington.

Explanation:

1. Background:
The American Revolution was a war fought between Great Britain and thirteen of its North American colonies, which declared themselves the independent United States of America. The revolution took place from 1775 to 1783.

2. Formation of the Continental Army:
In response to growing unrest and tensions with the British, the Second Continental Congress authorized the formation of the Continental Army on June 14, 1775. The army was established to defend the American colonies against British forces.

3. Appointment of George Washington:
On June 15, 1775, Congress appointed George Washington as the commander-in-chief of the Continental Army. The decision to choose Washington was based on his military experience, leadership skills, and his reputation as a respected figure among the American colonies.

4. Washington's Leadership:
As commander-in-chief, George Washington played a crucial role in leading the Continental Army throughout the American Revolution. He faced numerous challenges, including lack of resources, inexperienced troops, and the superior military strength of the British forces.

Under Washington's leadership, the Continental Army fought several significant battles, including the Battle of Trenton, Battle of Saratoga, and the decisive Battle of Yorktown. Washington's strategic decisions and perseverance helped turn the tide of the war in favor of the American colonies.

5. Legacy:
George Washington's leadership and determination during the American Revolution earned him the respect and admiration of his troops and the American people. After the war, Washington went on to become the first President of the United States, serving from 1789 to 1797.

Conclusion:
George Washington's appointment as the commander-in-chief of the Continental Army during the American Revolution was a crucial turning point in the fight for American independence. His leadership and military expertise played a significant role in the eventual victory of the American colonies over the British forces.