| Date | Occurrence |
| 1803 | May 18 | War resumed between the United Kingdom of Great Britain and Ireland and the First French Empire |
| 1804 | November 3 | Quashquame's treaty with William Henry Harrison causes many Sauk to ally with British |
| 1805 | May 22 | Essex Decision |
| 1805 | October 21 | Battle of Trafalgar |
| 1806 | April 18 | Nonimportation Act |
| 1806 | November 21 | Berlin Decree |
| 1806 | December 31 | Monroe-Pinkney Treaty |
| 1807 | June 22 | Chesapeake-Leopard Affair |
| 1807 | November 11 | Orders in Council |
| 1807 | December 17 | Milan Decree |
| 1807 | December 22 | Embargo Act |
| 1808 | April 17 | Bayonne Decree |
| 1809 | March 1 | Non-Intercourse Act |
| 1809 | March 4 | President James Madison Inauguration |
| 1809 | April 19 | Erskine Agreement |
| 1809 | September 30 | Treaty of Fort Wayne |
| 1810 | March 23 | Rambouillet Decree |
| 1810 | May 1 | Macon's Bill No. 2 |
| 1810 | August 5 | Cadore letter |
| 1811 | February 2 | Trade with the United Kingdom closed |
| 1811 | March 10 | Henry letters |
| 1811 | March 16 | Little Belt Affair |
| 1811 | November 4 | 12th United States Congress convenes |
| 1811 | November 7 | Battle of Tippecanoe |
| 1812 | April 4 | American Trade Embargo |
| 1812 | May 11 | Prime Minister Spencer Perceval assassinated |
| 1812 | June 1 | President James Madison's war message |
| 1812 | June 16 | Lord Castlereagh announces to Parliament Repeal of Orders in Council |
| 1812 | June to August | Baltimore riots |
| 1812 | June 18 | Declaration of war by the United States against the United Kingdom of Great Britain and Ireland |
| 1812 | June 23 | Finalized Repeal of Orders in Council |
| 1812 | June 29 | Schooners Sophia and Island Packet taken by the British in the St. Lawrence River |
| 1812 | July 1 | United States doubles customs duties |
| 1812 | July 12 | U.S. General William Hull's army invades Upper Canada at Sandwich |
| 1812 | July 16 | Skirmish at River Canard |
| 1812 | July 17 | Capture of Fort Michilimackinac |
| 1812 | July 19 | Attack at Sackets Harbor |
| 1812 | August 5 | Battle of Brownstown |
| 1812 | August 8 | British General Isaac Brock embarks at Port Dover for the relief of Amherstburg |
| 1812 | August 8 | Battle of Maguaga |
| 1812 | August 15 | Fort Dearborn massacre |
| 1812 | August 16 | Surrender of Detroit |
| 1812 | August19 | Capture of HMS Guerriere |
| 1812 | August19 | The Great Louisiana hurricane struck New Orleans, damaging both the U.S. and the British fleet |
| 1812 | September 3 | Massacre at Pigeon Roost |
| 1812 | September 5 | First siege of Fort Madison begins |
| 1812 | September 6 | Siege of Fort Wayne |
| 1812 | September 12 | U.S. General William Henry Harrison reinforces Fort Wayne |
| 1812 | September 14 | British Major A. C. Muir's expedition at Fort Wayne |
| 1812 | September21 | Raid on Gananoque |
| 1812 | October7 | U.S. General James Winchester's army arrives near Fort Defiance |
| 1812 | October 9 | U.S. Navy Lieutenant Jesse Elliott captures the brigs, Caledonia and Detroit |
| 1812 | October 13 | Battle of Queenston Heights |
| 1812 | October 18 | Capture of HMS Frolic |
| 1812 | October 18 | HMS Poictiers captures USS Wasp |
| 1812 | October 25 | Capture of HMS Macedonian |
| 1812 | November | British blockade South Carolina and Georgia |
| 1812 | November9 | Escape of HMS Royal George |
| 1812 | November10 | Commodore Isaac Chauncey attacks Kingston Harbour |
| 1812 | November 22 | Spur's Defeat |
| 1812 | November 23 | Americans retreat from Eastern Canada |
| 1812 | November 27 | Americans attack Fort Erie redoubts |
| 1812 | November 28 | Battle of Frenchman's Creek |
| 1812 | December 3 | William Eustis resigns as Secretary of War |
| 1812 | December 3 | James Monroe serves as Secretary of War |
| 1812 | December 18 | Battle of the Mississinewa |
| 1812 | December 26 | Great Britain blockades Chesapeake Bay and Delaware Bay |
| 1812 | December 29 | Sinking of HMS Java |
| 1812 | December 29 | Paul Hamilton resigns as Secretary of the Navy |
| 1813 | January 12 | William Jones serves as Secretary of the Navy |
| 1813 | January 22 | Battle of Frenchtown |
| 1813 | January 23 | River Raisin massacre |
| 1813 | Feb 5 | John Armstrong serves as Secretary of War |
| 1813 | Feb 6 | Raid on Elizabethtown |
| 1813 | Feb 10 | US President James Madison re-elected for second term (to start March 4, 1813).[1] |
| 1813 | Feb 16 | 104th Regiment commences march from Fredericton to Upper Canada |
| 1813 | Feb 22 | Battle of Ogdensburg |
| 1813 | Feb 24 | Sinking of HMS Peacock |
| 1813 | Mar | USS Essex rounds Cape Horn, preys on British whaling ships |
| 1813 | Mar 3 | Admiral George Cockburn's squadron arrives in Lynnhaven Bay |
| 1813 | Mar 4 | US President James Madison starts second term |
| 1813 | Mar 19 | Sir James Lucas Yeo appointed Commander-in-chief of the Lake Squadrons |
| 1813 | Mar 27 | Oliver Hazard Perry constructs Lake Erie fleet |
| 1813 | Mar 30 | British blockade from Long Island to Mississippi |
| 1813 | Apr 52 | Commerce raids begin in Chesapeake Bay |
| 1813 | Apr 6 | Lewes, Delaware bombarded by British |
| 1813 | Apr 13 | Capture of Mobile, Alabama |
| 1813 | Apr 15 | Americans occupy West Florida |
| 1813 | Apr 27 | Battle of York |
| 1813 | May 1 | Siege of Fort Meigs |
| 1813 | May 3 | Raid on Havre de Grace |
| 1813 | May 5 | Sir James Lucas Yeo arrives at Quebec |
| 1813 | May 26 | British blockade middle states and southern states |
| 1813 | May 27 | Battle of Fort George |
| 1813 | May 27 | British abandon Fort Erie |
| 1813 | May 27 | Colonel John Harvey retreats to Burlington Heights |
| 1813 | May 29 | Sir George Prevost and Sir James Lucas Yeo attack Sackets Harbor |
| 1813 | Jun 1 | HMS Shannon captures USS Chesapeake |
| 1813 | Jun 6 | Battle of Stoney Creek |
| 1813 | Jun 8 | Skirmish at Forty Mile Creek |
| 1813 | Jun 9 | Americans abandon Fort Erie |
| 1813 | Jun 13 | British vessels repulsed at Burlington, Vermont |
| 1813 | Jun 19 | Commodore Barclay's squadron appears off of Cleveland, Ohio |
| 1813 | Jun 20 | USS Constellation attempts capture of blockading vessels off Hampton, Virginia |
| 1813 | Jun 22 | Battle of Craney Island |
| 1813 | Jun 24 | Battle of Beaver Dams |
| 1813 | Jun 25 | Attack on Hampton, Virginia |
| 1813 | Jun 27 | Privateer Teazer (ship) blown up in Mahone Bay, Nova Scotia |
| 1813 | Jul 3 | Capture of U.S. sloops Growler and Eagle near Ile aux Noix |
| 1813 | Jul 5 | Raid on Fort Schlosser |
| 1813 | Jul 8 | Final siege of Fort Madison begins, fort defeated sometime in September |
| 1813 | Jul 8 | Action at Butler's Farm |
| 1813 | Jul 26 | General Henry Procter quits the siege of Fort Meigs |
| 1813 | Jul 27 | Battle of Burnt Corn |
| 1813 | Jul 31 | Raid on Plattsburg |
| 1813 | Jul 31 | Second occupation of York |
| 1813 | Aug 2 | General Henry Proctor's assault fails at Fort Stephenson |
| 1813 | Aug 4 | Commodore Oliver Hazard Perry sails fleet into Lake Erie |
| 1813 | Aug 5 | Dominica vs. Decatur |
| 1813 | Aug 7 | U.S. schooners Hamilton and Scourge founder on Lake Ontario |
| 1813 | Aug 10 | Naval engagement ships Julia and Pert captured |
| 1813 | Aug 12 | Capture of USS Argus |
| 1813 | Aug 30 | Fort Mims massacre |
| 1813 | Sep 10 | Battle of Lake Erie |
| 1813 | Sep 25 | Capture of HMS Boxer |
| 1813 | Sep 26 | General William Henry Harrison lands in Canada, Detroit liberated |
| 1813 | Sep 28 | Burlington Races |
| 1813 | Oct 5 | Battle of the Thames |
| 1813 | Oct 16 | Battle of Leipzig |
| 1813 | Oct 26 | Battle of the Chateauguay |
| 1813 | Nov 3 | Battle of Tallushatchee |
| 1813 | Nov 4 | Great Britain offers the United States peace negotiations |
| 1813 | Nov 6 | General James Wilkinson's flotilla runs past the batteries at Fort Wellington |
| 1813 | Nov 9 | Battle of Talladega |
| 1813 | Nov 10 | Skirmish at Hoople's Creek |
| 1813 | Nov 11 | Battle of Crysler's Farm |
| 1813 | Nov 13 | Skirmish at Nanticoke |
| 1813 | Nov 15 | Funeral of General Covington at French Mills |
| 1813 | Nov 15 | General James Wilkinson's army goes into winter quarters |
| 1813 | Nov 16 | British extend naval blockade along U.S. coast |
| 1813 | Dec 10 | Burning of Newark |
| 1813 | Dec 10 | Major General David Adams burned Nuyaka |
| 1813 | Dec 15 | Skirmish at Thomas McCrae's house |
| 1813 | Dec 19 | Capture of Fort Niagara |
| 1813 | Dec 19 - 31 | British destroy Lewiston Fort Schlosser Black Rock and Buffalo |
| 1814 | Jan 22 | Battles of Emuckfaw and Enotachopo Creek |
| 1814 | Jan 24 | Battle of Enotachopco |
| 1814 | Jan 27 | Battle of Calebee Creek |
| 1814 | Mar 4 | Battle of Longwoods |
| 1814 | Mar 27 | Battle of Horseshoe Bend |
| 1814 | Mar 28 | Capture of USS Essex |
| 1814 | Mar 30 | Battle of Lacolle Mills (1814) |
| 1814 | Apr 11 | Napoleon abdicates French throne for the first time |
| 1814 | Apr 20 | HMS Orpheus defeats USS Frolic |
| 1814 | Apr 14 | United States repeals Embargo Act and Nonimportation Act |
| 1814 | Apr 25 | British extend blockade to New England |
| 1814 | Apr 29 | Capture of HMS Epervier |
| 1814 | May 1 | General William Clark leaves St. Louis for Prairie du Chien |
| 1814 | May 6 | Raid on Fort Oswego |
| 1814 | May 14 | Skirmish at Otter Creek |
| 1814 | May 18 | Lieutenant Colonel Robert McDouall relieves Fort Mackinac |
| 1814 | May 29 | Skirmish at Sandy Creek |
| 1814 | Jun 6 | General William Clark establishes Fort Shelby at Prairie du Chien |
| 1814 | Jun 28 | Major William McKay's expedition leaves Fort Mackinac |
| 1814 | Jun 28 | USS Wasp defeats HMS Reindeer |
| 1814 | Jul 3 | Americans capture Fort Erie |
| 1814 | Jul 5 | Battle of Chippawa |
| 1814 | Jul 20 | Trials at Ancaster Bloody Assize |
| 1814 | Jul 20 | Surrender of Fort Shelby |
| 1814 | Jul 21 | Battle of Rock Island Rapids |
| 1814 | Jul 21 | Raid on Sault Ste. Marie |
| 1814 | Jul 22 | Treaty of Greenville US and western tribes ally against Great Britain |
| 1814 | Jul 25 | Battle of Lundy's Lane |
| 1814 | Jul 26 | Sinclair's squadron arrives off Mackinac Island |
| 1814 | Aug 1 | Schooner Nancy warned of Fort Mackinac blockade |
| 1814 | Aug 2 | Siege of Fort Erie |
| 1814 | Aug 4 | Battle of Mackinac Island |
| 1814 | Aug 8 | Peace negotiations begin in Ghent |
| 1814 | Aug 9 | Creek people sign treaty at Fort Jackson |
| 1814 | Aug 10 | Raid on Stonington |
| 1814 | Aug 12 | Capture of USS Somers and USS Ohio on Lake Ontario |
| 1814 | Aug 13 | Part of Sinclair's squadron arrives at Nottawasaga River |
| 1814 | Aug 14 | Schooner Nancy destroyed |
| 1814 | Aug 14 | British occupy Pensacola |
| 1814 | Aug 15 | Assault on Fort Erie |
| 1814 | Aug 19 | British land near Benedict, Maryland |
| 1814 | Aug 24 | Battle of Bladensburg |
| 1814 | Aug 24 | Burning of Washington |
| 1814 | Aug 27 | British occupy Point Lookout, Maryland |
| 1814 | Aug 27 | Retreating garrison destroys Fort Washington |
| 1814 | Aug 28 | British capture Alexandria, Virginia |
| 1814 | Aug 28 | Nantucket declares neutrality |
| 1814 | Sep 1 | Construction commences on Penetang Road |
| 1814 | Sep 1 | USS Wasp (1813) vs HMS Avon |
| 1814 | Sep 1 | General George Prevost moves south toward Plattsburgh |
| 1814 | Sep 3 | Capture of Tigress and Scorpion |
| 1814 | Sep 4 | Battle of Plattsburgh |
| 1814 | Sep 4 | John Armstrong, Jr. resigns and James Monroe becomes Secretary of War |
| 1814 | Sep 5 | Skirmish at Rock Island Rapids |
| 1814 | Sep 6 | Skirmish at Beekmantown |
| 1814 | Sep 6 | Battle of Credit Island |
| 1814 | Sep 8 | Fort Johnson built, abandoned one month later |
| 1814 | Sep 9 | Capture of Fort O'Brian |
| 1814 | Sep 11 | Battle of Plattsburgh |
| 1814 | Sep 12 | Battle of North Point |
| 1814 | Sep 12 | British repulsed at Mobile, Alabama |
| 1814 | Sep 13 | Bombardment of Fort McHenry |
| 1814 | Sep 13 | Francis Scott Key writes The Star-Spangled Banner |
| 1814 | Sep 14 | Battle of Fort Bowyer |
| 1814 | Sep 17 | Counterattack at Siege of Fort Erie |
| 1814 | Sep 26 | British squadron captures USS General Armstrong |
| 1814 | Oct 19 | Battle of Cook's Mills |
| 1814 | Oct 21 | United Kingdom offers peace on basis of uti possidetis |
| 1814 | Oct 26 | Raid through the Thames Valley |
| 1814 | Nov 5 | Americans evacuate Fort Erie |
| 1814 | Nov 6 | Battle of Malcolm's Mills |
| 1814 | Nov 7 | Battle of Pensacola |
| 1814 | Nov 25 | British fleet sail from Jamaica for New Orleans |
| 1814 | Nov 27 | United Kingdom drops demands for uti possidetis |
| 1814 | Dec 14 | British overwhelm American gunboats on Lake Borgne |
| 1814 | Dec 15 | Hartford Convention |
| 1814 | Dec 15 | United States adopts additional internal taxation |
| 1814 | Dec 23 | British land their troops below New Orleans |
| 1814 | Dec 23 | General Andrew Jackson surprise attacks British |
| 1814 | Dec 24 | Treaty of Ghent signed |
| 1814 | Dec 28 | United States rejects conscription proposal |
| Date | Occurrence |
| 1815 | Jan 8 | Battle of New Orleans |
| 1815 | Jan 16 | Capture of USS President |
| 1815 | Feb 1 | Construction commences of Pentanguishene Naval Yard |
| 1815 | Feb 4 | United States adopts second enemy trade law |
| 1815 | Feb 12 | Surrender of Fort Bowyer |
| 1815 | Feb 17 | United States ratifies Treaty of Ghent |
| 1815 | Feb 17 | United States rejects First Bank of the United States proposal |
| 1815 | Feb 20 | Capture of Cyane |
| 1815 | Mar 1 | Napoleon escaped from Elba, triggering the Hundred Days |
| 1815 | Mar 23 | Capture of HMS Penguin |
| 1815 | May 24 | Battle of the Sink Hole |
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