1. In 1825, Jedediah Smith, a famous mountain man and fur trader, arrived in California on February 9th. He followed the route of the Spanish explorers and traveled from the Great Salt Lake to Southern California. Smith was the first American to explore the interior of California.

2. On February 9th, 1849, the California Constitutional Convention opened in Monterey, California. The convention was held to draft a constitution for California, which had just become a state as a result of the Mexican-American War.

3. In 1864, the first shipment of Long Beach oil was sent to San Francisco on February 9th. This marked the beginning of the commercial oil industry in California, which had a significant impact on the state's economy and growth.

4. On February 9th, 1960, the Hollywood Walk of Fame was officially completed with the installation of the final star. The Walk of Fame honors notable figures in the entertainment industry, and today there are over 2,600 stars adorning the sidewalks of Hollywood.

5. The largest recorded earthquake in California's history occurred on February 9th, 1971, in the San Fernando Valley. The earthquake, which had a magnitude of 6.6, caused 64 deaths and thousands of injuries, and resulted in significant damage to buildings and infrastructure in the surrounding area.