Williams syndrome: A genetic disorder characterized by mild mental retardation, unique personality characteristics, unusual facial features, and cardiovascular disease. The level of calcium tends to be high in blood (hypercalcemia) and urine (hypercalciuria).
Long March: Long March, (1934â35), the 6,000-mile (10,000-km) historic trek of the Chinese communists, which resulted in the relocation of the communist revolutionary base from southeastern to northwestern China and in the emergence of Mao Zedong as the undisputed party leader. Fighting Nationalist forces
Mao continually proved to the Chinese that he was fit to lead them by swimming miles down the Yangste River each year. He remained leader of China in the later years of his life though Zhou Enlai did much of the foreign policy work.Maoâs death in 1976, plunged China into national grief.ao continually proved to the Chinese that he was fit to lead them by swimming miles down the Yangste River each year. He remained leader of China in the later years of his life though Zhou Enlai did much of the foreign policy work.