Check out this free LibreTexts Open Educational Resource (OER) on the History of Modern & Contemporary Art, where you will find chapters on:
1. How Modern and Contemporary Art Evolved
2. The Industrial Revolution (1800-1900 CE)
3. A World in Turmoil (1900-1940)
4. The Art of Engagement (1940-1970)
5. The Transformation of the Art World (1970-1999)
6. Millennial Art (2000-Present)