On July 28, 1914 Austria-Hungary declared war on Serbia and the world suddenly changed. The First World War had begun. Now you and your students can learn all about the Great War in the World War I Project Pack. The 20-page Research Guide and 23 hands-on activities explain the countries involved, the causes of the war, the weapons used, and the battles fought. It also gives a detailed timeline of events, and includes biographies of important people and so much more!