Why do we have the Renaissance, the baroque period the classical period, the romantic period and so on?

为什么我们会有文艺复兴时期,巴洛克时期,古典主义时期,浪漫主义时期

耶鲁公开课 - 聆听音乐课程节选

Was it the world in which tradition says Homer himself lived, the transition first to the Archaic and then to the Classical Period, the period in which we think about the dawn of the polis?

或是那个传说中荷马曾经生活的时代吗,那个时代先经历了古代的转变,而后到了古典主义时期,也就是我们所说的城邦萌芽的时期

耶鲁公开课 - 古希腊历史简介课程节选