1721–1730 — AND ELSEWHERE WORLDWIDE

HISTORY: Czar Peter the Great crowns his wife, Catherine, Czarina; Peter dies, Catherine, dies; Peter II, grandson of Peter becomes Czar of Russia; George I of England dies, succeeded by his son George II; Founding of Baltimore.

ARTS: Professorships of modern history and languages founded at Oxford and Cambridge; Spanish Steps in Rome finished; American Philosophical Society founded in Philadelphia; John and Charles Wesley found Methodist sect at Oxford.

SCIENCE/GROWTH: Regular postal service between London and New England; Swiss immigrants introduced rifles into America; Gin drinking become popular in Great Britain; Paris Bourse opens; Stephen Hales measures blood pressure; First circulating library established in Edinburgh; Coffee first planted in Brazil; Quakers demand abolition of slavery; Benjamin and James Franklin publish "The Pennsylvania Gazette".