Event · Significance tier 2 · provisional assessment
British forces evacuate Boston
The British army and more than a thousand Loyalist civilians sailed from Boston after Washington’s artillery made the harbor position dangerous.
- Category
- armed conflict
- Episode relations
- 1
Episode coverage
Episode 2
substantial · spoken: caption verified
Visual check: sequence context
Why this coverage: The sequence explains Howe's decision, the departure of troops and Loyalists, and the evacuation's elimination of the last British garrison in the colonies.
Caption entry: 01:31:41.529 · 01:32:49.830
Reviewed sequence context: ep2-cue-08-boston-evacuation
Why it matters
The evacuation was a major Patriot success and a mass Loyalist displacement, ending one siege while moving the war elsewhere.
Why this provisional tier
This tier predates canonical assessment v1. It remains a research hypothesis and must not be used as settled label priority.
It removed British military government from New England’s principal port and visibly rewarded continental organization.
Counterfactual test: A British hold on Boston would have tied down American forces and preserved a strategic and political base in New England.