"call an assembly" is a correct and usable phrase in written English.
It means to summon or gather a group of people together for a meeting or discussion. Example: The principal decided to call an assembly to address the recent issues with bullying in the school.
New France became known as the Province of Quebec, which was to have a royal governor who had the authority to call an assembly.
Third, in order to carry forward this agenda, as well as promote his own political career, Zelaya sought a non-binding referendum to call an assembly to redraft the constitution, the purpose of which was to allow him a second term in office.
The Royal government would never again call an Assembly to session in North Carolina.
At Torrington Middle School, where the two victims are in eighth grade, administrators also called an assembly to warn against online "name-calling".
School officials called an assembly after each one, announcing that a student had "died unexpectedly".
He called an assembly, a jalsa, which lasted two or three days.
Dr. Norman Lamm, the president of Yeshiva University in Washington Heights, called an assembly two days after the assassination.
On the kids' final day, Bogin called an assembly to wish them goodbye.
In October 1914 Carranza called an assembly of all the revolutionary forces.
Within days, the stodgy old Mattachine Society had called an assembly at their regular meeting place to talk about what to do next.
But in the first scene, when King Henry, recruiting troops to fight the Hungarians in the east, calls an assembly of noblemen and the people of Brabant, the chorus appears dressed in gray, loose-fitting rat costumes, complete with long tails, floppy feet and see-through head masks, red eyes aglow.
