1. In 1861, the first Yosemite Grant was signed into law by President Abraham Lincoln, protecting the area that would later become Yosemite National Park.

2. In 1914, the Port of Los Angeles officially opened, becoming the largest man-made harbor in the world at the time.

3. In 1935, the Hoover Dam was officially dedicated by President Franklin D. Roosevelt, providing hydroelectric power and water to California and surrounding states.

4. In 1965, the Watts riots began in Los Angeles, lasting for six days and resulting in 34 deaths and over 1,000 injuries.

5. In 2012, Major League Baseball player Matt Kemp of the Los Angeles Dodgers became the first player in team history to hit home runs in four consecutive games, totaling five home runs in that span.