1. On May 20, 1927, Charles Lindbergh landed at San Diego's Rockwell Field after completing the first solo nonstop transatlantic flight. Lindbergh's historic flight from New York to Paris made him an international hero and inspired numerous aviation advancements.

2. The California State Capitol in Sacramento was dedicated on May 20, 1874. The building, which served as the state's capitol until 1982, features a distinctive neoclassical design and houses a museum and exhibits on California's political history.

3. The Golden Spike Ceremony, which marked the completion of the transcontinental railroad linking the East and West Coasts of the United States, was held on May 20, 1869, in Promontory Summit, Utah. Californians played a significant role in the construction of the railroad, which accelerated the state's economic growth and development.

4. On May 20, 1932, Amelia Earhart became the first woman to fly solo across the Atlantic Ocean, landing in a pasture in northern Ireland after a grueling 15-hour journey from Newfoundland, Canada. Earhart's pioneering aviation feats popularized the idea of women pilots and helped shatter gender barriers in the field.

5. The Beach Boys' classic song "Surfin' Safari" was released on May 20, 1962, helping to popularize the "surf rock" genre and cementing the band's status as icons of California's vibrant music scene. The song reached #14 on the US charts and helped launch the Beach Boys' successful career.