Not sure you want to urge people to calm down by saying, "but America did all of these things before!"
Judge Elizabeth Allen White advised her to calm down and Sheridan started exhaling.
In an op-ed, a Daily Telegraph writer concluded that everybody should just calm down.
Instead of trying to calm down Gates, Sgt. Crowley goes off and all hell breaks loose.
We hoped he'd calm down, agree to let a local ME take care of him.
He walked up and down the garden for a few minutes to calm down, and went in to his mother.
The babel of voices seemed to calm down as men withdrew from the room.
Then, too, the gale had spent its fury and began gradually to calm down.
It took a while before she could calm down enough to listen to Jason's words.
We can take him up to the garret, to the locked room; there he will no doubt feel that he is safe, and his fears will calm down.
late 14c., from Old French calme "tranquility, quiet," traditionally from Old Italian calma, from Late Latin cauma "heat of the mid-day sun" (in Italy, a time when everything rests and is still), from Greek kauma "heat" (especially of the sun), from kaiein "to burn" (see caustic). Spelling influenced by Latin calere "to be hot." Figurative application to social or mental conditions is 16c.
late 14c., from Old French calme, carme "stillness, quiet, tranquility," from the adjective (see calm (adj.)).
late 14c., from Old French calmer or from calm (adj.). Related: Calmed; calming.