Minneapolis Institute of Arts: Modernism - Looks at the American and European artists, designers, and architects who forged new and diverse styles from the 1880s onwards.
Modernism - History of the art movement by Christopher L.C.E. Witcombe.
Modernism: Designing a New World 1914-1939 - Exhibition at London's Victoria & Albert Museum from April 6, 2006, to July 23, 2006, which explores modernism in the design world from an international perspective.
Wikipedia: Modernism - Summary of the art movement that sweeps aside traditions and reinvents culture.