Great drama unfolds thanks to the unknown. When teams meet for the first time in their respective histories to battle for a championship, the potential for an unforgettable series looms. Will the teams develop a new rivalry? Will the series signal the beginning or end of a dynasty? As the Miami Heat and Oklahoma City Thunder tip off in Game 1 of the NBA Finals Tuesday, all that potential is hanging in the air. With any luck, it will end up as memorable as some of these famous first-time clashes.

Popular Stories On ThePostGame:
-- The Truth Is Out There: Which Sports Conspiracy Can You Believe?
-- Ranking The USA Olympic Teams Since 1992
-- Greatest NHL Playoff Beards
-- Miami Dolphins Cheerleaders Hop On 'Call Me Maybe' Bandwagon

Follow us on Facebook and Twitter to read them first!

Story continues below