Historic Publication
Apr 1 Herman Melville publishes The Confidence-Man
- Apr 12 French novelist Gustave Flaubert's first novel and masterpiece "Madame Bovary" is published in book form
- Apr 21 Alexander Douglas patents the bustle
- Apr 27 Establishment of Jewish congregations in Lower Austria prohibited
- Apr 29 US Army, Pacific Div HQ permanently forms at Presidio (San Francisco)
- Apr 30 San Jose State University forms