Dewey Monument, Military monument in Union Square, San Francisco, US.

The Dewey Monument is a memorial in the center of Union Square consisting of a column over 85 ft (25.9 m) tall and more than 5 ft (1.5 m) in diameter, assembled from individual blocks weighing 40,000 lb each. Architect Newton Tharp designed the base and column, which stands on a square base with inscriptions on each side. Robert Ingersoll Aitken's 9-foot (2.7 m) statue of Nike, holding a trident and a wreath, tops the column.

President Theodore Roosevelt dedicated this monument in 1903 to honor Admiral George Dewey's naval victory at Manila Bay during the Spanish-American War. It emerged as an expression of national military pride during the early 20th century.

The statue depicts Nike, the Greek goddess of victory, holding a trident and wreath as symbols of military triumph. Designed by Robert Ingersoll Aitken, it stands as a focal point where San Franciscans gather and move through daily.

The monument sits in the center of Union Square, surrounded by shops, hotels, and restaurants, making it easy to locate and reach. The plaza itself gets crowded with foot traffic, especially during shopping hours, so early morning or late afternoon visits work best.

Clara Petzold, who later became known as a photographer, served as the model for the Nike statue atop the monument. This connection between artistic creation and her later recognition adds a human layer to the memorial's story.