"This useful Internet resource...is divided into four main components: Beginnings, 19th Century, 20th Century, and Other Timelines. The Beginnings section comprises three chapters: Prehistory to 1599, 1600s, and 1700s...The second section, which is devoted to the 19th century, offers five chapters that each cover 20 years. The third section spans the 20th century to the present, with a chapter on each decade from the 1900s through the 1960s. The last chapter in this section covers the 1970s to the present. The last section, Other Timelines, has four chapters: Major Timelines, Notable Women, States, and Topics (art, various ethnic groups, religion, etc.). Notable Women stands out as the strongest...Each section contains a useful bibliography of print publications." (Choice Reviews online, supplemental 2007)