The first official Church of Scientology opened in Los Angeles, California, USA.
Source
Marvel's 'Captain America: The Winter Soldier' premiered in Los Angeles.
Two rival driverless taxi companies were given approval to operate 24/7 in San Francisco, California.
Fashion store Forever 21 was founded in Los Angeles.
A chemist in Berkeley, California, US, announced that they successfully synthesized hormones that are responsible for human growth.
Comic-Con celebrated its 48th yearly event in San Diego.
