Skip to content
— CH. 1 · INTRODUCTION —

War of 1812

~12 min read · Ch. 1 of 8
8 sections
  • The War of 1812 began on the 18th of June 1812, when President James Madison signed a declaration of war against Britain into law, setting off a conflict that would sprawl across the Canadian border, the Atlantic Ocean, and the Gulf Coast for nearly three years. It was the first time the United States had formally declared war on any nation, and the Congressional vote passed by the smallest margin of any war declaration in American history. The House voted 79 to 49; the Senate, 19 to 13. Those numbers capture something essential: this was a deeply contested war from its first day.

    Why did the United States pick a fight with the world's most powerful navy while Britain was locked in a global struggle against Napoleon? What did impressment of sailors have to do with invasion of Canada? Why did the same treaty that ended the war leave almost every grievance unresolved? And how did a conflict that the United States neither clearly won nor lost produce some of the most enduring stories in American national mythology: the burning of the White House, a lawyer watching a flag through smoke, and a general who would one day become president?

  • Britain's Orders in Council sat at the heart of the American complaint. London had imposed sweeping restrictions on neutral trade with Napoleonic France, and the Royal Navy backed those restrictions by stopping American ships at sea and removing sailors it considered British subjects. The United States increasingly treated naturalized sailors as American citizens; Britain insisted that men born British could not shed that allegiance simply by sailing under a foreign flag. Neither side had a position it was willing to abandon.

    Tensions sharpened further in the Old Northwest, where British relations with Indigenous confederacies resisting American expansion fed American suspicion that London was arming the frontier against them. In the House and Senate, the Democratic-Republican Party pushed for war while every Federalist in Congress voted against it. Critics took to calling it "Mr. Madison's War". The Federalist opposition was concentrated in New England, where anti-war speakers were vocal and state governments threatened secession, making the Hartford Convention a real flashpoint in American political life.

    There was a chance the war might not happen at all. Prime Minister Spencer Perceval was assassinated on the 11th of May 1812, and his successor Lord Liverpool moved to repair relations with Washington. On the 23rd of June, Liverpool repealed the Orders in Council. But the Atlantic was wide, and news took three weeks to cross it. By the time London's concession reached the United States, the declaration of war was already signed and fighting had begun.

  • Neither side was ready. The United States Army in 1812 consisted of fewer than 12,000 regular soldiers, and Congress had authorized an expansion to 35,000, but the service paid poorly and volunteering was slow. State militias refused to cross into Canada, were poorly trained, and on more than one occasion simply melted away. President Madison himself was forced to acknowledge the gap between professional soldiers and militia after watching the Maryland and Virginia militia routed at Bladensburg in 1814, writing that he "could never have believed so great a difference existed between regular troops and a militia force, if I had not witnessed the scenes of this day".

    The United States Navy was a smaller but more cohesive force, with over 5,000 sailors and marines and 14 ocean-going warships, three of its five super-frigates non-operational at the start of the war. Its biggest problem was funding: Congress had never been enthusiastic about a large navy. The navy was split between a "northern division" commanded by Commodore John Rodgers at New York and a "southern division" under Commodore Stephen Decatur at Norfolk.

    Britain's position was more complicated than its eventual dominance might suggest. In 1813, France still had 80 ships-of-the-line and was building 35 more; containing the French fleet consumed the Royal Navy's attention. When the war broke out, the British Army in North America numbered 9,777 regular troops and fencibles. Though outnumbered by American forces, the long-serving regulars were better trained and more professional than the hastily expanded American force. Lieutenant General George Prevost, the senior commander in Canada, was ordered to defend rather than attack, concentrating his limited forces on Lower Canada.

    Indigenous fighters allied with both sides shaped the early war in ways neither American nor British planners fully anticipated. Tecumseh's confederacy in the west and the Iroquois in the east served as British allies; other tribes fought with the Americans. Able to march 30-50 miles in a day, preferring raids and ambushes to pitched battles, they were mobile and tactically agile in ways that conventional armies could not match.

  • Brigadier General William Hull crossed the Detroit River into Upper Canada on the 12th of July 1812, issuing a proclamation that offered British subjects liberation from "tyranny" but threatened death to any British soldier fighting alongside Indigenous allies. The proclamation stiffened resistance instead of dissolving it. After learning of a Shawnee ambush on a 200-man detachment sent to secure his supply line, Hull surrendered Detroit to Major General Isaac Brock on the 16th of August without a serious fight. The same day, Potawatomi warriors ambushed the garrison evacuating Fort Dearborn in what is now Chicago, massacring those who reached the fort.

    Brock's death at Queenston Heights on the 13th of October 1812 cost the British one of their most capable commanders. American morale revived after Captain Oliver Hazard Perry won the Battle of Lake Erie on the 10th of September 1813 at Put-in-Bay, establishing American control of the lake. That victory allowed General William Henry Harrison to advance into Upper Canada, where American forces killed Tecumseh at the Battle of the Thames on the 5th of October 1813, effectively ending organized Indigenous resistance in the west.

    Further into the interior, the story ran differently. A Canadian party under Lieutenant Colonel Robert McDouall supplied and reinforced Fort Mackinac in May 1814, then sent an expedition that recaptured Prairie du Chien on the Upper Mississippi. Sauk, Fox, and Kickapoo fighters under Black Hawk twice repulsed American attempts to retake the fort, including a force led by Major Zachary Taylor in the Battle of Credit Island in September 1814. The British and their Indigenous allies ended the war controlling most of what is now Illinois and all of what is now Wisconsin, though the Treaty of Ghent returned those territories to the United States, over the objection of some British officers and Canadians.

  • Rear Admiral George Cockburn arrived in the Chesapeake Bay in March 1813 and immediately set the tone for British operations in the region. His squadron blockaded Hampton Roads, raided towns from Norfolk, Virginia to Havre de Grace, Maryland, burned Frenchtown, and destroyed an iron foundry at Principio along with sixty-eight cannons. On the 4th of July 1813, Commodore Joshua Barney, a veteran of the American Revolutionary War, persuaded the Navy Department to build the Chesapeake Bay Flotilla, twenty barges powered by sails and oars, to harass British movements. It could slow the British but not stop them.

    In August 1814, a force of 2,500 British soldiers fresh from the Peninsular War arrived in the region, and the administration's response to the threat was badly fractured. Secretary of War John Armstrong Jr. insisted the British would attack Baltimore, not Washington. Brigadier General William H. Winder burned bridges, assumed the target was Annapolis, and believed the British force twice its actual size. The inexperienced state militia was swept aside at the Battle of Bladensburg, and British troops under Major General Robert Ross and Rear Admiral Cockburn, commanding 4,500 men in total, entered the capital.

    On the 24th of August, after his troops finished looting government buildings, Ross ordered fire set to the White House and the United States Capitol. Valuable documents including the original Constitution had already been removed to Leesburg, Virginia. Secretary of the Navy William Jones ordered the Washington Navy Yard razed to prevent its capture. Private residences were ordered spared; the public buildings were not. From Washington the British turned north toward Baltimore, where Major General Ross was killed by snipers on the 12th of September at North Point. The bombardment of Fort McHenry lasted 25 hours. By morning the flag still flew, and an American lawyer named Francis Scott Key had the material for what would become "The Star-Spangled Banner".

  • The war in the south grew from a conflict that was already underway before the first shots of 1812. Tecumseh had visited the Creek Nation about a year before the war began, encouraging resistance to American expansion. A faction called the Red Sticks, named for the colour of their war sticks, split from the Creek Confederacy and allied with him. On the 30th of August 1813, Red Stick chiefs including Red Eagle and Peter McQueen attacked Fort Mims north of Mobile, killing 400 settler refugees. The massacre immediately brought Georgia and Mississippi militias into action.

    Andrew Jackson raised a Tennessee militia of 5,000 under his command and Brigadier General John Coffee's, winning engagements at Tallushatchee and Talladega in November 1813. After a difficult winter and an attack by Red Sticks at the Battles of Emuckfaw and Enotachopo Creek that forced him back to Fort Strother, Jackson rebuilt his army to around 5,000 with regular soldiers, a second draft of Tennessee militia, Cherokee, and pro-American Creek fighters. On the 27th of March 1814, at Horseshoe Bend, he decisively defeated a force of about a thousand Red Sticks, killing 800 of them at a cost of 49 killed and 154 wounded on his side. At the subsequent Treaty of Fort Jackson, Jackson compelled Creek chieftains, including his own allies, to cede most of western Georgia and part of Alabama, a settlement that both the pro-American Creek and their US agent Benjamin Hawkins called deeply unjust.

    With the Napoleonic Wars ending in April 1814, Britain sent naval resources to the Gulf Coast. An expeditionary force of 8,000 troops under Major General Edward Pakenham and Major General Samuel Gibbs attacked Jackson's fortifications south of New Orleans on the 8th of January 1815, two weeks after the Treaty of Ghent had already been signed. Jackson's force of roughly 1,000 regulars alongside thousands of militia, pirates, and other fighters repulsed every attack. The British suffered 291 dead, 1,262 wounded, and 484 captured or missing; American official returns listed 13 dead, 39 wounded, and 19 missing. Jackson became a national hero, and the victory propelled him eventually to the presidency.

  • Britain's Royal Navy in 1812 operated more than 600 vessels worldwide, following its destruction of the French fleet at the Battle of Trafalgar in 1805. On paper the contest at sea was not close. The entire United States Navy amounted to 8 frigates and 14 smaller ships, with no ships-of-the-line whatsoever. American planners compensated by building individual ships to outmatch their British equivalents in size, armament, and crew. The newest three 44-gun frigates carried 24-pounder main batteries designed to demolish the 36- to 38-gun frigates that formed the majority of European navies.

    In the war's first months, single-ship victories made American naval officers famous at home. Notable engagements included USS Constitution against HMS Guerriere on the 19th of August 1812, USS United States against HMS Macedonian on the 25th of October, and what was described as the bloodiest such action of the war, HMS Shannon against USS Chesapeake on the 1st of June 1813. By the end of the war, three frigates had been lost on each side, but the Royal Navy's blockade had confined most of the American fleet to port and shut down both imports and exports along the entire Atlantic coast.

    American privateers proved a more durable irritant. Insurer Lloyd's of London recorded 1,175 British ships taken, 373 of which were recaptured, for a net loss of 802 vessels. Of 526 American privateers, only 207 ever took a prize. Due to the sheer size of the British merchant fleet, American captures affected only 7.5% of it, causing no supply shortages. The Royal Navy captured 1,400 American merchant ships against the United States Navy's 165. The war was the last time Britain sanctioned privateering on a large scale, though Bermuda sloops alone captured 298 American ships, and privateer schooners from Nova Scotia took 250 more.

  • Negotiators agreed to the Treaty of Ghent in December 1814, and the United States Congress ratified it on the 17th of February 1815. The treaty restored the pre-war territorial status quo. It did not settle impressment, neutral trade rights, or Britain's claimed maritime rights. The legal disputes that had triggered the war were simply set aside.

    In practical terms, impressment largely ceased after 1815, but the reason was circumstance rather than principle: the end of the Napoleonic Wars removed Britain's manpower emergency, eliminating the incentive to press sailors. Rare American allegations of post-war impressment surfaced in diplomatic correspondence into the 1820s. Later Anglo-American disputes over stopping, searching, and seizing American vessels continued in narrower contexts, particularly anti-slave-trade enforcement.

    The war left behind very different stories in each country that fought it. In the United States, the battle at New Orleans and the defence of Baltimore became touchstones of national identity, even though many of the war's other episodes had been failures. In Canada, the conflict hardened into a founding story of defence against American invasion, with the militia under Isaac Brock cast as the central heroes, and with Prevost's later failures carefully edited out of the popular memory. Some British officers and Canadians openly objected to returning Prairie du Chien and especially Mackinac under the treaty's terms, and the Americans held Fort Malden near Amherstburg as leverage until Britain complied. One quiet consequence of the occupation of eastern Maine: when British forces left Castine in April 1815, they carried away 10,750 pounds in tariff duties collected during the occupation. That sum, known as the Castine Fund, went on to establish Dalhousie University in Halifax.

Common questions

When did the War of 1812 officially end?

The War of 1812 officially ended on the 17th of February 1815, when the United States Congress ratified the Treaty of Ghent. Peace terms had been agreed upon in December 1814, but the war did not formally conclude until congressional ratification.

What caused the United States to declare war in 1812?

The United States declared war primarily over British restrictions on American trade with Napoleonic France and the Royal Navy's practice of impressing sailors from American vessels, including men the United States considered American citizens. Tensions over British support for Indigenous confederacies resisting American expansion in the Old Northwest also contributed.

What happened when the British burned Washington in 1814?

On the 24th of August 1814, British troops under Major General Robert Ross entered Washington after routing American militia at the Battle of Bladensburg. Ross ordered fire set to the White House and the United States Capitol. Valuable documents including the original Constitution had already been removed to Leesburg, Virginia, and the Navy Yard was burned by American forces to prevent its capture.

What was the outcome of the Battle of New Orleans?

The Battle of New Orleans on the 8th of January 1815 was an American victory. A British expeditionary force of 8,000 troops under Major General Edward Pakenham attacked Andrew Jackson's fortifications south of the city and was repulsed with 291 dead, 1,262 wounded, and 484 captured or missing, compared to American official losses of 13 dead, 39 wounded, and 19 missing. The battle was fought after the Treaty of Ghent had already been signed.

What was the Castine Fund and how did it originate from the War of 1812?

The Castine Fund was 10,750 pounds in tariff duties collected by British forces during their occupation of Castine, Maine, which lasted from September 1814 until April 1815. When British forces withdrew, they took this money with them, and it was used to establish Dalhousie University in Halifax, Nova Scotia.

What did the Treaty of Ghent actually resolve?

The Treaty of Ghent restored the pre-war territorial status quo but did not settle the core disputes that had triggered the war: impressment, neutral trade rights, and Britain's claimed maritime rights. Impressment largely ceased after 1815 because the end of the Napoleonic Wars removed Britain's wartime manpower need, but Britain did not formally renounce its broader maritime claims in the treaty.

All sources

53 references cited across the entry

  1. 1encyclopediaWar of 1812
  2. 2webThe War of 1812National Army Museum
  3. 12webRevisiting the War of 18128 August 2012
  4. 13magazineMr. Madison's Weird WarGordon S. Wood — 21 June 2012
  5. 17webWar of 181227 October 2009
  6. 25webA Truly Pointless War ... The War of 1812Jon Latimer — 2008-02-16
  7. 26web"Bloody Provost" Discipline during the War of 1812Tanya Grodzinski — 27 July 2017
  8. 28bookBattle for the Bay: The Naval War of 1812Joshua M. Smith — Goose Lane Editions — 2012
  9. 30webGeneral William HullAlex Aprill — October 2015
  10. 31webThe War of 1812Clarke Historical Library
  11. 33webBattle of Fort StephensonBirchard Public Library
  12. 36bookThe War of 1812Reginald Horsman — Knopf — 1969
  13. 38webWAR OF 181219 December 2018
  14. 42magazineBermuda in the Privateering BusinessLieutenant-Colonel A. Gavin Shorto — The Bermudian — 2018-04-05
  15. 43bookIn the Eye of All Trade: Bermuda, Bermudians, and the Maritime Atlantic World, 1680–1783Michael Jarvis — University of North Carolina Press — 2010
  16. 44citationBermuda's Sailors of FortuneSister Jean de Chantal Kennedy — Bermuda Historical Society — 1963
  17. 45bookTidewater Triumph: The Development and Worldwide Success of the Chesapeake Bay Pilot SchoonerGeoffrey Footner — Schiffer Publishing — 1998