There are many wars which were fought at the end of the nineteenth century. Some of these wars include Franco-Prussian War, Crimean War and Napoleonic Wars among others.
Spain
The United States fought in six major wars: the War of 1812, the Mexican-American War, the American Civil War, the Spanish-American War, and the Philippine-American War.
the civil war
Yellow Journalism
The biggest conflicts involving the United States in the 19th century were the War of 1812, the Mexican-American War, and the Civil War.
Poverty, war, and famine caused the cities to grow in population at the end of the nineteenth century.
The US and Great Britain fought a war in the early 19th century known as the War of 1812.
Spain
Gilded Age
Gilded age
Gilded Age
Gilded Age
Gilded Age
The 19th century was the 1800s. World War 2 was from 1939 to 1945. So the answer is no, World War 2 did not mark the end of the 19th century because World War 2 was during the later half of the early 20th century.
Gilded Age
Gilded Age
Gilded Age