Journal of the War of 1812's chronology; links were added.
April To August 1812
Apr 08: General William Hull is appointed commander of Northwest Army; heads for Ohio.
Apr 29: Ohio Governor Return J. Meigs orders militia rendezvous in Dayton.
Apr 29: Three regiments of Ohio militia arrive at Dayton rendezvous.
May 10: Hull passes through Cincinnati, Ohio.
May 20: General Hull arrives in Dayton, Ohio.
May 25: Hull takes command of NW Army.
Jun 06: Indian tribes near Urbana agree to adhere to Treaty of Greenville (1795) terms.
Jun 01: Hull's Army begins march north; stops at Staunton, present-day Troy, Ohio).
Jun 07: Hull's Army reaches Urbana
Jun 09: Urbana Indian council grants Army permission to cross tribal lands.
Jun 10: 4th US Infantry (Col. Duncan McArthur) joins Hull at Urbana.
Jun 16: Construction of Fort McArthur begun at King's Creek (near Kenton, Ohio).
Jun 18: US declares war on Great Britain
Jun 22: Hull's Army, delayed by rain, reaches Fort Necessity.
Jun 24: British forces in Canada receive news of declaration of war; a full week before Hull.
Jun 24: Secretary Eustis sends order to Hull with authorization to invade Canada (see Jul 02).
Jun 25: Hull's Army reaches Fort Findlay.
Jun 26: Hull receives Secretary of War William Eustis's warning that war is close at hand.
Jun 26: Col. Lewis Cass tasked with building road to the Rapids of the Maumee River.
Jun 30: Hull, at Fallen Timbers battlefield, dispatches boat to Detroit with papers.
Jul 02: Hull's Army reaches Raisin River in Michigan Territory; learns of declaration of war.
[Added] July 02: Capture Of The Cuyahoga Packet
Jul 05: Hull arrives near Detroit, opposite Sandwich; Cass refused entry to British outpost.
Jul 09: Hull received orders authorizing an invasion of Canada.
Jul 12: Colonel James Miller's and Cass's regiments cross into Canada; Hull's proclamation.
Jul 12: British forces under Colonel Thomas St. George at Fort Malden numbers about 900.
Jul 15: McArthur's command foraging in Canada; receipts are issued.
Jul 16: Miller and Cass reconnoiter towards Malden; Hull directs protection of Canadian private property.
[Added] Jul 17: Capture Of Mackinac
Jul 18: McArthur has two skirmishes with British forces at Aux Canards bridge.
Jul 19: In a report to Eustis, Hull is hopeful of a successful outcome for US.
Jul 21: Hull returns to Detroit; command of army in Canada falls to McArthur.
Jul 22: Hull reports to Eustis that he intends to lay siege to Fort Malden.
Jul 22: General Isaac Brock's counter-proclamation restores confidence in British arms.
Jul 25: Major James Denny confronts British again near Aux Canards bridge.
Jul 28: News of the fall of Fort Mackinac (Jul 17) reaches Hull at Detroit.
Aug 03: American Fort Mackinac garrison reaches Detroit under parole.
Aug 04: Major Thomas Van Horn, ordered to escort supplies, is ambushed near Brownstown.
Aug 05: Hull orders attack on Fort Malden.
Aug 07: The Army, readying for Malden attack, is ordered back to US soil.
Aug 08: Malden receives reinforcements under Colonel Henry Proctor.
Aug 09: Relief column under Miller attacked at Maguaga, south of Detroit.
Aug 10: Miller's column retreats to Detroit.
Aug 12: Subordinates meet and discuss Hull's fitness for command.
Aug 13: Hull refuses to allow maneuvering British, in view, to be fired upon.
Aug 15: British General Brock demands surrender of Detroit garrison.
Aug 15: Fort Dearborn (Chicago) is attacked and surrenders.
Aug 16: General William Hull surrenders to British under General Isaac Brock.
[Added] Aug 17: Proctor Left In Charge Of Detroit