Bellum Battle Comparator
Compare two engagements without flattening incompatible historical numbers. Bellum contrasts outcome, terrain, tactical sequence, command decisions, documented formations, primary-source depth and evidence quality while keeping each source definition intact.
June 17, 1775 · Massachusetts
The Battle of Bunker Hill was fought primarily on Breed’s Hill on June 17, 1775. Britain captured the position, but the casualty bill and the defenders’ resistance made the battle one of the most consequential tactical demonstrations of the opening year.
May 10, 1775 · New York
The May 10, 1775 capture of Fort Ticonderoga was a small action with disproportionate strategic value. The rebels gained a key northern post, material, and a foothold on the route toward Canada, while the fort’s artillery later became part of the Boston siege story.
| Dimension | Battle of Bunker Hill | Capture of Fort Ticonderoga |
|---|---|---|
| Result | British tactical victory | American victory |
| Tactical outcome | British troops captured the American works on Breed’s Hill after repeated assaults, but only after suffering severe casualties against defenders who eventually withdrew when ammunition and position became untenable. | A small rebel force associated with Ethan Allen, Benedict Arnold and the Green Mountain Boys surprised the lightly held British post and took Fort Ticonderoga with little fighting. |
| Strategic effect | The British gained the ground but paid a cost that demonstrated the colonial forces could withstand disciplined assaults from regular troops. The battle hardened the siege and reshaped assumptions on both sides about the war ahead. | The capture opened a strategically important Lake Champlain position to the revolutionaries and gave them access to artillery and stores; guns from the northern forts later contributed to the artillery concentration around Boston. |
| Terrain problem | The battle centered on Breed’s Hill, a redoubt, breastworks and a rail-fence flank rather than on Bunker Hill proper. Open approaches exposed assaulting troops, while the peninsula’s narrow neck constrained withdrawal. | Ticonderoga sat at a narrows controlling movement between Lake George and Lake Champlain. The strategic value of the site was far larger than the number of troops inside the fort on May 10. |
| Intelligence problem | Both sides understood the commanding value of the heights, but the speed of American entrenchment forced British commanders to attack a position that had become stronger overnight. | The attackers exploited surprise and local knowledge. The British garrison did not face a formal siege; the action turned on reaching and entering the fort before resistance could be organized. |
| Turning point | The defenders repulsed earlier assaults, but ammunition depletion and renewed pressure eventually allowed British troops to take the redoubt. The tactical victory did not erase the casualty shock. | The decisive moment was penetration of the post itself. Once the small garrison was surprised inside a fort not prepared for a full defense, the contest was effectively settled. |
| Documented OOB records | 6 | 5 |
| Tactical phases | 5 | 5 |
| Command decisions analyzed | 1 | 1 |
| Primary-source records | 1 | 1 |
| Modern/historical geography anchors | 2 | 2 |
Bellum intentionally does not subtract or rank troop/casualty figures when their source scope differs. Open each battle’s evidence table for the exact definitions behind its numbers.