On this date in 1639, the first American colonies post office was established

Because colonists needed to send mail back to England, the first official postal service was established in 1639 when the General Court of Massachusetts designated Richard Fairbanks' tavern in Boston as the official mail drop for overseas parcels.

Is there a passage that comes with this question or should i know this right off the bat, because if it is, i probably have short term memory loss or college is too stressful