What is what year is the 19th century?

The 19th century refers to the period from January 1, 1801, to December 31, 1900. It is the century that followed the 18th century and preceded the 20th century. During the 19th century, significant global events such as the Industrial Revolution, the American Civil War, the abolition of slavery, the rise of imperialism, and the advent of modern technology and transportation all took place. The 19th century was a time of great change and progress in many areas, including science, art, politics, and society.