Within the context of art heritage, modernity (modernité) has a more confined feeling, modern artwork masking the duration of c. 1860–1970. Use of your phrase In this particular feeling is attributed to Charles Baudelaire, who in his 1863 essay "The Painter of Modern Life", specified the "fleeting, ephemeral practical experience https://thebookmarklist.com/story16854145/the-smart-trick-of-culture-of-the-united-states-that-no-one-is-discussing