On this day 250 years ago in London, Parliament requested that the King:

direct your Majesty’s governor of Massachusetts Bay to take the most effectual methods for procuring the fullest information that can be obtained touching all treasons or misprision of treason committed within this government since the 30th day of December last… together with the names of the persons who were most active in the commission of such offences… in order that your Majesty may issue a special commission for… hearing and determining the said offences within this realm

Rebellion declared in Massachusetts (1775)

And on that day in Cambridge, Massachusetts the Provincial Congress formed a committee “for the encouragement of making saltpetre” and another committee

for inquiring into the state of the militia, their numbers and equipments, and recommending to the selectmen of the several towns and districts of this province, to make return of their town and district stock of ammunition and warlike stores to this Congress.

Source: https://archive.org/details/journalsofeachprma00mass/page/98/mode/2up?view=theater

Also on this day 250 years ago in Perth Amboy, the New Jersey Assembly adopted a petition to the King listing the Colony’s grievances

All which necessarily tend to reduce us to a state of servitude, from which our affection for the English Constitution, and duty to ourselves and our posterity, loudly call upon us to avert, by all lawful means in our power.

Source: https://archives.gnb.ca/exhibits/forthavoc/html/NJCouncilofSafety.aspx?culture=en-CA