Short answers, pulled from the story.
Hard Rock Stadium has hosted six Super Bowls: XXIII, XXIX, XXXIII, XLI, XLIV, and LIV. Super Bowl XLI in 2007, when the Indianapolis Colts defeated the Chicago Bears 29-17, was notably marred by heavy rains that left an estimated 30% of lower-level seating empty during the second half.
Hard Rock Stadium was privately financed because Dolphins founder Joe Robbie chose to fund the project himself after the city of Miami sought to quadruple the team's rent at the Orange Bowl in 1976. It became the first multipurpose stadium in the United States built entirely without public funding.
Hard Rock Cafe International paid $250 million for the naming rights over 18 years. The deal was announced on the 17th of August, 2016, and the naming rights run through 2034.
Hard Rock Stadium has operated under nine different names since opening on the 16th of August, 1987. These include Joe Robbie Stadium, Pro Player Park, Pro Player Stadium, Dolphins Stadium, Dolphin Stadium, Land Shark Stadium, Sun Life Stadium, New Miami Stadium, and its current name, Hard Rock Stadium.
WrestleMania XXVIII, held on the 1st of April, 2012, drew an attendance of 78,363. The event grossed $67 million and generated an estimated $103 million in revenue for the Miami area, and its 1.217 million pay-per-view purchases make it the most-purchased WWE PPV on record.
The Florida Marlins won two World Series titles during their time at the stadium: in 1997 against the Cleveland Indians and in 2003 against the New York Yankees. During the 1997 World Series, capacity was expanded to over 67,000, producing some of the highest postseason attendance figures in MLB history at that time.