Downtown Denver's arena is blowing out 25 candles on Tuesday. 🎂 ballarenadenver opened on Oct. 1, 1999, with a sold-out concert by Celine Dion. First known as Pepsi Center, the arena is home to the Denver Nuggets, Colorado Avalanche and Colorado Mammoth and seats up to 20,000 for concerts and other events. Visit the link in our bio for a timeline of major events in Ball Arena history. 🏀 #BallArena #PepsiCenter #Nuggets #Avalanche #Mammoth