Which event happens first

A the battle of Lexington and concord
B the British evacuation of Boston
C the signing of the Declaration of Independence
D the battle of bunker hill

To determine which event happened first, we need to understand the chronological order of these events. Here is the step-by-step process to find the correct answer:

1. The Battle of Lexington and Concord: This battle took place on April 19, 1775.

2. The British Evacuation of Boston: The British evacuated Boston on March 17, 1776.

3. The Signing of the Declaration of Independence: The Declaration of Independence was signed on July 4, 1776.

4. The Battle of Bunker Hill: This battle occurred on June 17, 1775.

By comparing the dates, we can see that the events happened in the following order:

1. The Battle of Lexington and Concord (April 19, 1775)
2. The Battle of Bunker Hill (June 17, 1775)
3. The British Evacuation of Boston (March 17, 1776)
4. The Signing of the Declaration of Independence (July 4, 1776)

Therefore, the event that happened first was "A. The Battle of Lexington and Concord."