1. In 1850, California's first Constitution was adopted on March 13th. This document established a framework for the state's government and guided its development through a period of rapid growth and change.

2. On March 13, 1933, the Long Beach earthquake, one of the most powerful earthquakes to hit California, struck the state. The quake, which measured 6.4 on the Richter scale, caused widespread damage and claimed the lives of 120 people.

3. In 1986, the California state legislature passed the Victims of Crime Act, which established a fund to provide financial assistance to victims of crime and their families. This legislation was enacted on March 13th of that year.

4. On March 13, 2005, a magnitude 6.0 earthquake struck Northern California, causing widespread damage and injuring several people. The epicenter of the quake was near the town of Eureka, and it was felt throughout the region.

5. March 13, 2019 marked the one-year anniversary of the collapse of the pedestrian bridge at Florida International University, which was designed and built by California-based engineering firm FIGG Bridge Group. The collapse claimed the lives of six people and highlighted concerns about the safety of infrastructure nationwide.