The correct answer to this open question is the following.
First, a clarification. It is not the war of "181," as you wrote. It is the War of 1812, against Great Britain.
Now, you did not include a specific text, excerpt, article, or any other reference, we are going to include the most important events according to general history lessons.
1)The United States declared war on the British on June 18, 1812, after the Battle of Tippecanoe.
2)On July 17, 1812, General William Hul enters the Canadian territory but surrenders to General Isaac Brock on August 17, in Detroit, Michigan,
3) October 13, 1812. During the Battle of Queenston Heights, General Brock is killed.
4) In November 1812, President James Madison is reelected at the time the British troops capture South Carolina and Georgia.
5) January 12, 1813. The US Navy has a new Secretary William Jones, and by February 5, John Armstrong became the new Secretary of War.
6) April 5 to April 27, US troops occupy West Florida, Mobile, Alabama, and York, Toronto, in Canada.
7) In 1814 battles continued with major US victories until August 8, when diplomats from both nations start the peace negotiations in Belgium. On February 11, 1815, the Battle of Fort Bowyer, Alabama, is the last battle of the war. On February 17, the Treaty of Ghant is signed and President Madison formally announces the end of the war.