| Date | Occurrence |
|---|
| 1794 | Nov 19 | Jay Treaty allowed some British military to stay on Great Lakes; Americans saw it as humiliating |
| 1795 | Aug 3 | Treaty of Greenville intensified Indigenous resistance against the US and reliance on British support |
| 1803 | May 18 | War resumed between the United Kingdom of Great Britain and Ireland and the First French Empire |
| 1803 | Jul 4 | Louisiana Purchase alarmed Britain and Indigenous nations who feared unchecked American expansion |
| 1804 | Nov 3 | Quashquame's treaty with William Henry Harrison causes many Sauk to ally with British |
| 1805 | May 22 | Essex Decision allowed Britain to treat American neutral trade with France as illegal |
| 1805 | Oct 21 | Battle of Trafalgar gave Britain naval supremacy, enabling U.S. blockades, trade restrictions and impressment |
| 1806 | Apr 18 | Non-importation Act used economic coercion to protest British trade restrictions and impressment |
| 1806 | Nov 21 | Berlin Decree allowed Napoleon’s blockade of British trade; Britain retaliated against neutral U.S. shipping |
| 1806 | Dec 31 | Monroe-Pinkney Treaty failure to address British impressment; rejection by President Jefferson created tensions |
| 1807 | Jan 16 | British Admiralty standing orders reasserts impressment of British-born seamen under royal prerogative authority |
| 1807 | Jun 22 | Chesapeake–Leopard affair with impressment of U.S. sailors outraged the public and crystallized anger over Britain |
| 1807 | Nov 11 | Orders in Council restricted U.S. trade with Europe unless it passed through British ports |
| 1807 | Dec 17 | Milan Decree expanded Napoleon’s blockade by declaring neutral ships subject to seizure, damaging U.S. trade |
| 1807 | Dec 22 | Embargo Act crippled American trade and deepened economic hardship and hostility toward Britain |
| 1808 | Apr 17 | Bayonne Decree authorized the seizure of U.S. ships by France; reflecting violations by both European powers |
| 1809 | Jan 11 | HMS Guerriere seizure of USS Spitfire and impressment of one sailor |
| 1809 | Mar 1 | Non-Intercourse Act renewed economic pressure on Britain and France; failed to secure respect for U.S. |
| 1809 | Mar 4 | President James Madison inauguration |
| 1809 | Apr 19 | Erskine Agreement repeal of British trade restrictions; Britain repudiated it, resulting in renewed economic pressure |
| 1809 | Sep 30 | Treaty of Fort Wayne large land cession in Indiana Territory; viewed as fraudulent by Tecumseh and other leaders |
| 1810 | Mar 23 | Rambouillet Decree authorized France to seize American ships entering European ports |
| 1810 | May 1 | Macon's Bill No. 2 closes trade with the United Kingdom |
| 1810 | Aug 5 | Cadore Letter falsely claimed France had repealed its trade restrictions causing U.S. pressure on Britain |
| 1810 | Aug 14 | Tecumseh's confederacy expands Pan-Indigenous nations to halt U.S. expansion; Britain seen as essential ally |
| 1811 | Mar 10 | Henry letters fraudulently convinced many Americans that Britain was actively conspiring to divide the U.S. |
| 1811 | May 16 | Little Belt affair heightened mutual distrust and reinforced U.S. outrage over British naval aggression |
| 1811 | Nov 4 | 12th United States Congress convenes |
| 1811 | Nov 7 | Battle of Tippecanoe intensified frontier violence by weakening Tecumseh's confederacy |
| 1812 | Jan 11 | Army Expansion Act of 1812, authorized the expansion of the US Regular Army by 10,000 men |
| 1812 | Apr 4 | American Trade Embargo failed attempt to use economic pressure instead of diplomacy against Britain |
| 1812 | May 11 | Prime Minister Spencer Perceval assassinated |
| 1812 | Jun 1 | President James Madison's war message |
| 1812 | Jun 8 | Robert Banks Jenkinson, 2nd Earl of Liverpool becomes Prime Minister of United Kingdom |
| 1812 | Jun 16 | Lord Castlereagh announces to Parliament Repeal of Orders in Council |
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United States 
British Empire 
Spanish Empire 
