This is the most comprehensive 20th Century History Curriculum you will ever find!! Learn about events that happened every single year of the 20th century. Each day you will study one year of the 20th century. For instance, the first day of school you will learn what happened in 1900 and the second day, 1901. You will learn about things that were invented and their inventors, natural disasters, world records, books written, plays performed, movies made, songs that were popular, elections and pre