This week in 537, eastern Roman emperor Justinian I completed the Hagia Sophia: the great cathedral of his capital, Constantinople. Upon completion and for centuries thereafter, it was the largest building in the world. Justinian’s realm was the eastern half of the original Roman Empire, and the Hagia Sophia became the central cathedral of the

This week in 1773, the Sons of Liberty disguised themselves as Native Americans, boarded British ships in Boston Harbor, and dumped 342 chests of tea into the water. The Boston Tea Party escalated the colonists’ struggle against the Tea Act, which the British Parliament had passed in May, imposing a tax on tea. The colonists

This week in 1768, Colin Macfarquhar and Andrew Bell of Scotland published the first edition of Encyclopaedia Britannica. It had just 3 volumes—quite a contrast to the thirty-two volumes of the fifteenth and final edition, published in 2010. Despite small beginnings, Britannica quickly gained a reputation for excellence and was soon considered the most authoritative English language encyclopedia.

This week in 1852, Charles-Louis Napoléon Bonaparte became Emperor of France. His father was the younger brother of the original Napoleon. And his mother was the daughter of the famous Josephine – the long-term mistress and eventually wife of the first Napoleon — by her other (first) husband. To capitalize on his famous uncle’s reputation,