Short answers, pulled from the story.
The AFC West began in the autumn of 1960 with four original teams: the Dallas Texans, Denver Broncos, Los Angeles Chargers, and Oakland Raiders. This group evolved into today's AFC West after the 1970 merger with the NFL.
The Kansas City Chiefs play in Missouri following their 1963 relocation from Texas. The Denver Broncos remain in Colorado while the Las Vegas Raiders moved there in 2020 after previous relocations to Oakland and Los Angeles. The Los Angeles Chargers returned to California in 2017 after playing in San Diego since 1961.
The Kansas City Chiefs hold the record with four Super Bowl victories as of the conclusion of the 2023 season. Two other teams won consecutive championships including the Broncos in 1997 and 1998 and the Chiefs in 2022 and 2023.
Teams from this division have appeared in the Super Bowl twenty-one times since Super Bowl I. The Denver Broncos have appeared eight times, the Chiefs seven times, and the Raiders five times.
The Seattle Seahawks spent time in the AFC West from 1977 until 2001 before moving back to the NFC West. They joined briefly alongside the Tampa Bay Buccaneers who departed after their inaugural season in 1976.