1. In 1964, the Ford Mustang was introduced at the World's Fair in New York. Although the car was not invented in California, it became an iconic symbol of California car culture and is still manufactured at a plant in Flat Rock, Michigan.

2. In 1906, the devastating San Francisco earthquake occurred, causing widespread destruction and loss of life. The earthquake was felt as far south as Los Angeles and as far north as Oregon.

3. In 1970, Apollo 13 splashed down in the Pacific Ocean off the coast of California. The mission had been plagued by technical difficulties but managed to return safely to Earth thanks to the ingenuity and perseverance of its team of astronauts and ground crew.

4. In 1790, Father Junipero Serra founded the Mission San Francisco de Asis, which would later become known as Mission Dolores. The mission played a significant role in the colonization and religious conversion of native Californians.

5. In 1968, the groundbreaking ceremony for the Transamerica Pyramid skyscraper took place in San Francisco. The pyramid-shaped building, designed by architect William Pereira, was completed in 1972 and became an iconic symbol of the San Francisco skyline.