1. On March 26, 1952, Los Angeles experienced a magnitude 5.9 earthquake, which caused significant damage to buildings and infrastructure throughout the city. Despite the severity of the quake, only a few injuries were reported.

2. In 1942, on March 26, celebrated civil rights activist and labor leader Cesar Chavez was born in Yuma, Arizona. Later in life, Chavez founded the United Farm Workers of America, fighting for better working conditions and fair wages for farmworkers across California.

3. On March 26, 1827, San Pedro Harbor was officially designated by the Mexican government as a port of entry, making it an important hub for trade and commerce.

4. In 1969, the state of California introduced legislation legalizing abortion, making it one of the first states in the US to do so. The bill was signed into law by Governor Ronald Reagan on March 26 of that year.

5. On March 26, 2000, the Dot-com bubble reached its peak, with tech companies in Silicon Valley and beyond reaching astronomical valuations on the stock market. However, just a few weeks later, the bubble would burst, leading to a steep decline in the value of many of these companies.