1. The San Bernardino shootouts took place on April 14, 2015. The attackers, Syed Rizwan Farook and Tashfeen Malik, opened fire on a group of employees at a social services center, killing 14 people and injuring 22 others before being killed in a shootout with police.

2. On April 14, 1932, the city of San Francisco celebrated the completion of the Bay Bridge. The bridge, which spans 7.5 miles across the San Francisco Bay, provided an important transportation link between San Francisco and the East Bay.

3. In 1796, Spanish explorer Juan Bautista de Anza arrived in San Francisco Bay on April 14th. He was the first European to establish colonies in the region, and his exploration helped to pave the way for the eventual settlement of California by Spanish missionaries and settlers.

4. On April 14, 1862, Colonel Albert Sidney Johnston was killed while leading his Confederate troops in the Battle of Shiloh, one of the bloodiest battles of the Civil War. Johnston's death was a significant blow to the Confederate army, and many historians believe that it was a turning point in the war.

5. The first-ever earthquake was recorded in California on April 14, 1769, by Spanish explorer Gaspar de Portolá. The earthquake, which occurred near the modern-day city of Los Angeles, was one of the earliest recorded earthquakes in North America, and helped to alert scientists to the seismic activity along the San Andreas fault.