In 2014, Budweiser and Ozzie Smith started a petition to make Opening Day a National Holiday.
In 1950, the St. Louis Cardinals became the first MLB team to open their season with a night game.
William Howard Taft threw out the first pitch attended the home opener in DC in 1910, making him the first president to throw out a first pitch.
The first Major League Baseball game ever played was on April 22, 1876.