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

If you look at Greece in this period, I don't know if I've used this term before, but some scholars refer to this general period we're talking about as the Greek renaissance by analogy to the renaissance in Italy.

如果纵观这个时期的希腊,我不知道以前是否用过这个定义,但一些学者,用意大利文艺复兴来比喻这个时期,把它称作希腊的文艺复兴

耶鲁公开课 - 古希腊历史简介课程节选