April 8th events By 799183 Apr 8, 1968 Baseball's Opening Day is postponed because of Martin Luther King assassination Apr 8, 1969 1st Baseball game in Canada - Mont Expos beats New York Mets 10-9 Apr 8, 1975 Frank Robinson debuts as 1st black baseball manager (Cleveland, beats New York 5-3) Apr 8, 1991 Oakland A's stadium becomes 1st outdoor arena to ban smoking Apr 8, 1992 "5 Guys Named Moe" opens at Eugene O'Neill Theater New York City for 445 performances Apr 8, 1994 Smoking banned in Pentagon and all U.S. military bases Apr 8, 1997 Microsoft Corp releases Internet Explorer 4.0 Apr 8, 2001 65th Golf Masters Championship: Apr 8, 2011 One hour before the deadline, the U.S. Congress reaches a deal on the 2011 U.S. federal budget, avoiding a government shutdown Apr 8, 2014 Microsoft ends support for its Windows XP operating system; the system was first released in 2001