The Kansas City Chiefs were once known by which name?

In what year did the Carolina Panthers play their first season? In what year did the Jacksonville Jaguars play their first season? In what year did the Baltimore Ravens play their first season? In what year did the Houston Texans play their first season? The New York Jets were once known by which name? The Detroit Lions were once known by which name? The Chicago Bears were once known by which name? The New England Patriots were once known by which name?