While in the context of artwork record, modernity (modernité) has a more constrained feeling, modern art covering the period of c. 1860–1970. Use on the time period During this perception is attributed to Charles Baudelaire, who in his 1863 essay "The Painter of Modern Life", selected the "fleeting, ephemeral experience https://oncedirectory.com/listings12682730/culture-of-the-united-states-no-further-a-mystery