At the beginning of the period, the British Empire was the world's most powerful nation, having acted as the world's policeman for … See more

At the beginning of the century, strong discrimination based on race and sex was significant in most societies. Although the Atlantic slave trade had ended in the 19th century, movements … See more

• As the century began, Paris was the artistic capital of the world, where both French and foreign writers, composers and visual artists … See more

Due to continuing industrialization and expanding trade, many significant changes of the century were, directly or indirectly, economic and technological in nature. Inventions such as the See more

Economic growth and technological progress had radically altered daily lives. Europe appeared to be at a sustainable peace for the first … See more

The number of people killed during the century by government actions was in the hundreds of millions. This includes deaths caused by wars, … See more

Mathematics
Multiple new fields of mathematics were developed in the 20th century. In the first part of the 20th century, See more