Organized events in California

American annual video games award show (2003–2013)

1968 computer demonstration by Douglas Engelbart

fighting video game championship held in the United States

VidCon is an annual convention for influencers, fans, executives, and online brands. The event primarily features prominent video stars from across the internet. It was founded by veteran YouTube creators John and Hank Green (Vlogbrothers), and was later acquired by Viacom (now Paramount Skydance) in 2018 and later acquired by Informa in 2024. Its offices remain in Missoula, Montana, sharing a building with Complexly. VidCon's international presence continues to expand with additional events planned in Singapore, Abu Dhabi, Mexico City, Australia, and São Paulo. In October 2020, VidCon Now rel

Armed conflict between the Native American Modoc people and the United States Army

TwitchCon is an annual convention for the video livestreaming service Twitch. It is organized by Twitch Interactive and focuses on the culture of livestreaming, entertainment, esports and internet culture. TwitchCon is open to industry professionals, streamers, and fans; the convention allows community members to meet streamers, discover new products, and try out upcoming games.