In light of the upcoming Super Bowl {which has gone crazy in Washington State due to the Seahawks record}, I found today’s feature somewhat intriguing.  On this date in 1973, the Miami Dolphins became the first undefeated NFL team in history.  They beat the Washington Redskins in Super Bowl VIII.  For more info:
http://www.infoplease.com/dayinhistory
http://www.history.com/this-day-in-history/undefeated-dolphins-beat-redskins-in-super-bowl-vii