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
For the first Red Army this ordeal ended in October 1935 when Mao led barely 8,000 people into Shaanxi province. Of the 160,000 men and women who participated in the Long March, fewer than 10 per cent made it safely to the new communist base in Shaanxi.