In the context of art heritage, modernity (modernité) has a more restricted sense, modern art masking the duration of c. 1860–1970. Use in the phrase Within this sense is attributed to Charles Baudelaire, who in his 1863 essay "The Painter of Modern Life", selected the "fleeting, ephemeral knowledge of life https://directory-nation.com/listings12696497/a-review-of-culture-of-the-united-states