It seemed that both had occurred simultaneously but, of course, one did have to come first.
The two results can occur simultaneously, as third world residents know.
The order in which the operations take place does not matter, as all four occur simultaneously.
More often than not, those two phenomena occur simultaneously in my life.
They were all silent, for the same alternative occurred to them simultaneously.
The development of language, tools and culture may have occurred roughly simultaneously.
Many things were to occur simultaneously when the signal went forth.
What makes things difficult is that more than one of these mechanisms may be occurring simultaneously.
The first three books are written from a different sibling's point of view and occur simultaneously.
With larger groups of people, it is common for several different conversations to occur simultaneously.