World War I happened from 1914 to 1918. It was a big war in Europe. Many countries fought in this war. The main countries were the Allies and the Central Powers. The Allies included France, Britain, and Russia. The Central Powers included Germany, Austria-Hungary, and Ottoman Empire. Many people died in this war. World War I changed many countries. After the war, new countries were created, and some countries got smaller. The war started because of a problem with a royal family. A prince was killed, and this led to fighting. World War I helped create important changes in the world, including better communication and technology. People remember this war every year on November 11th.
When did World War I happen?
Which countries were part of the Allies?
What started World War I?
What major change happened after World War I?
Who were the Central Powers?
How many years did World War I last?
What date do people remember World War I?
What was one outcome of the war?