On April 1, 2016, the Celtics defeated the Golden State Warriors, 109-106, in Oakland, Calif. For the home team, the loss was the first in its building after 54 consecutive victories.
On April 28, 2016, the Celtics lost to the Atlanta Hawks in Game 6, 104-92, ending their season with a first-round playoff elimination.
On March 8, 2017, the Celtics defeated the Warriors in Oakland, 99-86.
On June 12, 2017, the Warriors won their second NBA championship in three years.
The preceding facts are presented as a public service so fans might maintain some semblance of perspective and keep their intellectual shirts on as the teams with the best record in each conference meet this evening at the Garden.