As in most centuries, lots of wars occurred in the 1800s. The Napoleonic Wars, the Franco Prussian War, the Crimean War, the Prussian/Austrian War, the American/British War of 1812 and various small wars of independance in the Balkans (South East Europe).
The First Barbary War between the United States and the Barbary States of North Africa, which included Morocco, Algiers, Tunis, and Tripoli from 1801 to 1805.
The War of 1812 between the United States and the British Empire from 1812 to 1815.
The Second Barbary War (the Algerian War) between the United States and the Barbary States of Algiers, Tripoli, and Tunis in 1815.
The Mexican American war between the United States and Mexico from 1846 to 1848.
The American Civil War between the northern states, the United States, and the southern states, the Confederacy from 1861 to 1865.
The Spanish American War between the United States and Spain; battles took place in Cuba, Puerto Rico, the Philippines, and Guam from April to August 1898.
The Civil War
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the first half of the 1800s.
The Listowel mutiny occurred during the Irish War of Independence. The Royal Irish Constabulary refused to be relocated out of their rural police station in Listowel.
Antietam
The original ANZAC landing occurred in 1915, during World War I.
War with Great Britain, Missouri Compromise, Monroe Doctrine, Mexican-American War
1, 2, 3 and 4.
Human society and its impact on the biosphere were transformed by the Industrial Revolution, which added machines and factories to civilization during the 1800s.
War of 1812 Black Hawk War Civil War
War of 1812 Black Hawk War Civil War
About 25.4 Million Military Deaths occurred during World War 2, This is about 34-35% of the Total deaths which occurred during World War 2.
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World War II
The Mexican-American War
The Korean War 1950-1953.
What economics circumstance occurred during the Revolutionary War, the Confederacy, and Europe before WW II
It did not exist.