When—and why—did the practice of foot binding begin? The first recorded binding occurred in the Five Dynasties and Ten States period in the 10th century. According to the story, an emperor had a favorite concubine, a dancer who built a gilded stage in the shape of a lotus flower.
Modern birds descended from a group of two-legged dinosaurs known as theropods, whose members include the towering Tyrannosaurus rex and the smaller velociraptors.
Nationalism and imperialism encouraged each European nation to pursue its own interests and compete for power. ... The alliance system pulled one nation after another into the conflict.
