For RSS subscribers The Britannica Store presents a special 20% discount on the Concise Encyclopedia and free CD-ROM. This thoroughly revised and expanded edition of Britannica's most popular publication worldwide is a one-volume encyclopedia containing 28,000 articles accompanied by colorful photographs, diagrams, maps, and flags. The Britannica Concise Encyclopedia has comprehensive coverage on a variety of subjects including, arts, business, geography, history, literature, philosophy, politics, pop culture, science, sports, and more. The book features an easy-to-use format, pronunciation help, relevant tables, and international maps. To see the special price, add the product to your Shopping Cart.

John Locke

John Locke, an initiator of the Enlightenment and founder of British Empiricism whose ideas inspired liberalism and influenced the American and French revolutions and the U.S. Constitution, died this day in 1704.

was established when forces led by Mustafa Kemal Atatürk, "the father of modern Turkey," wrested control from the Ottoman Empire (1923)

the US stock market crashed and the Great Depression began (1929)

giant star sapphire was stolen, along with other fabulous gems, from the American Museum of Natural History (1964)