How long did the US Revolutionary War last?
The American Revolutionary War, also known as the American War of Independence, lasted for 8 years, from 1775 to 1783.
Complete the following task based on the instruction and optional input provided.### Instruction:
How long did the US Revolutionary War last?

### Output:
The American Revolutionary War, also known as the American War of Independence, lasted for 8 years, from 1775 to 1783.