April 21, 1933: Fridays have been Ladies Day at Fenway Park with free admission for many years, but when Opening Day falls on a Friday, the Red Sox rescind their practice; 200 women stormed the gates and were eventually admitted free to watch the Red Sox lose to the Yankees 7-5., before a crowd announced as 18,000 fans. [...]

April 20, 1912: The Red Sox christhen Fenway Park with a 7-6, 11 inning victory over the New York Highlanders; a crowd of 27,000 fans, the capacity at the time enjoys the Opening Day festivities at the state-of-the-art ballpark, which includes a small parking lot for automobiles located behind centerfield, and a screen behind home plate to protect the fans. [...]

April 19, 1910: The Red Sox sweep a Patriot's Day doubleheader against the Washington Senators winning 2-1 and 5-4; the split-admission morning and afternoon games drew a total of 45,728 fans to the Huntington Avenue Grounds, setting a one-day attendance record for Boston. [...]

April 18, 1950: Sam "The Jet" Jethroe makes his debut for the Braves to become the first African-American to play for a Boston major league baseball team; Jethroe, a veteran of the Negro Leagues who will go on to win National League Rookie of the Year honors, contributes two hits including a home run in an 11-4 Braves win over the New York Giants. [...]

April 17, 1964: Tony Conigliaro makes his Fenway Park debut and the 19-year-old outfielder hits the first pitch thrown to him over the Green Monster and out onto Lansdowne Street; the youngest player in the major leagues in 1964, Tony C will go on to hit 24 home runs in his rookie season, and to compile 100 career home runs at the youngest age in AL history. [...]