On this day in 2009 Ray Allen exploded for 51 points (9-18 3PT), but it wasn't enough for the Bulls as they got a 128-127 (3OT) victory over the Celtics in Game 6 of that classic first round series.

On this day in 2012 Paul Pierce dropped 36 points, grabbed 14 rebounds and went full Tim Tebow after displaying a spectacular fourth quarter performance in a Game 2 of the first round series against the Hawks.

On this day in 2017 Isaiah Thomas scored career-high 53 points on his late sister's birthday and led the Celtics to a home victory over Wizards in Game 2 of the conference semis. 👏👏👏

On this day in 2010 Rajon Rondo sent Varejao and Parker flying with his sweet ball fake. He finished with 13 points and 19 assists as the Celtics blew out the Cavs in Game 2 in Ohio.

On this day in 2013 Boston Celtics amazing comeback against the Knicks fell just short as Paul Pierce and Kevin Garnett played their last game in Boston uniform.

On this day in 2018 the Sixers dropped confetti before game's over and then lost Game 3 to the Celtics in overtime.

On this day in 1981 Larry Bird made one of his most famous shots, the one that Red Auerbach called "greatest play he had ever seen". Bird finished with 18 points, 21 rebounds and 9 assists as the Celtics won Game 1 of the finals.

On this day in 2009 Rajon Rondo got 15-11-18 triple-double and took this amazing flight with Dwight Howard in sight during Game 2 of Eastern semifinals.

On this day in 2018 the Boston Celtics closed out the series against the Sixers with a thriller Game 5 win in the Garden.

On this day in 2010 Rajon Rondo got a triple-double in Game 4 against the Cavs with 29 points, 18 rebounds and 13 assists, including one of his most iconic dime: going behind-the-back to avoid LeBron. One of the best playoff performances in Boston Celtics history.

On this day in 2009 Glen Davis hit the biggest shot in his career, beating the buzzer in Orlando for a Game 4 win. Shout-out to Paul Pierce for his decision!

10 years ago Tony Allen detonated it on Antawn Jamison 💥 Tony brought some energy off the bench as the Celtics beat the Cavs and won the series in six games. That lead to LeBron's first departure from Cleveland.

On this day in 2017 Kelly Olynyk had the game of his life, scoring 14 of his 26 points in the fourth quarter as the Boston Celtics beat the Wizards in Game 7 of eastern semifinals.

On this day in 2008 Paul Pierce scored 41 points in a classic Game 7 battle against LeBron to lead the Boston Celtics to the ECF.

On this day in 2017 the Celtics came back from 21-point deficit and beat the Cavs in Game 3 of ECF as Avery Bradley hit the game-winner.

On this day in 1988 Larry Bird and Dominique Wilkins engaged in a scoring duel unparalleled in NBA history. Bird scored 20 of his 34 in the 4th; Wilkins got 16 of his 47. The game had 20 ties & 22 lead changes. Celtics won Game 7 by two points.

On this day in 2010 Rajon Rondo made his famous diving steal on Jason Williams in Game 3 of the eastern finals against Magic.

On this day in 2002 the Celtics erased a 26-point deficit in Game 3 of the Eastern Conference Finals. Paul Pierce outscored the Nets 19-16 in the fourth quarter.

On this date in 1987 Larry Bird stole inbounds pass from Isiah Thomas and found cutting Dennis Johnson for the winning basket as the Celtics pulled out an improbable 108-107 win over Detroit in Game 5 of the ECF.

On this day in 2018 Jayson Tatum boomed LeBron James.