(Encyclopedia) National Archives, official depository for records of the U.S. federal government, established in 1934 by an act of Congress. Although displeasure concerning the method of keeping…
(Encyclopedia) Saint Paul's Cathedral, London, masterpiece of Sir Christopher Wren and one of the finest church designs of the English baroque. It stands at the head of Ludgate Hill, where, according…
(Encyclopedia) balloon, lighter-than-air craft without a propulsion system, lifted by inflation of one or more containers with a gas lighter than air or with heated air. During flight, altitude may…
(Encyclopedia) baby boom, a period in which the birthrate is significantly higher than in other periods, especially the post–World War II period in the United States, Canada, Australia, and New…
(Encyclopedia) Bronze Age, period in the development of technology when metals were first used regularly in the manufacture of tools and weapons. Pure copper and bronze, an alloy of copper and tin,…
(Encyclopedia) Sulzberger, Arthur Hays, 1891–1968, American newspaper publisher, b. New York City. He joined the New York Times in 1918 and assisted his father-in-law, the publisher Adolph S. Ochs,…
(Encyclopedia) ring, small ornamental hoop usually worn on finger or thumb, but it may be attached to the ear or the nose. Finger rings made of bronze, gold, and silver from the period c.2600–1500 b.…