In the context of art heritage, modernity (modernité) has a far more confined sense, modern artwork covering the duration of c. 1860–1970. Use of your phrase On this feeling is attributed to Charles Baudelaire, who in his 1863 essay "The Painter of Modern Life", specified the "fleeting, ephemeral practical experience https://preniumdirectory.com/listings12685742/a-review-of-culture-of-the-united-states