"commonplace fact" is correct and can be used in written English.
It is a phrase used to refer to a fact that is known to most people, or is easily found or observed. For example: "It is a commonplace fact that smoking is hazardous to your health."
In an 1852 entry he describes how he had two notebooks, one for poetry and another for commonplace facts, but he acknowledged the difficulty in keeping them separate, because "the most interesting and beautiful facts are so much the more poetry".
New gadgets drop into our hands that perform some of the functions that used to belong to bound and printed objects, and some of those new inventions turn what had seemed to belong to the realm of science fiction into commonplace facts of everyday life.
Calmly drop it into a conversation with other commonplace facts about yourself if it's merely an acquaintance.
So commonplace, in fact, that one industry expert is now raising questions about the companies' arguments.
Morgan Freeman plays Dr. Samuel Norman, a neuroscientist with an audacious theory based on the commonplace fictional fact that human beings use only a small percentage of their brains.
Today it is commonplace, a fact that is evident to anyone who has called the United Airlines flight information line or has used speech transcription software.
He explained that the mbira is used to invoke the ancestors, by which he meant neither a religious presence nor Hammer House phantoms, but something more commonplace: the fact that the past is with us, in the earth and in the air, and only needs summoning.
It is no more than a commonplace of fact, that we feel better about some ends rather than others and that we often feel that our ends are better that those that others have.
It'll still be a few years before the technology is commonplace, in fact most people thing 1080p is hi-def enough for home use (it is), so this is mostly for cinematic use.
During the Seleucid period, the trend of local ruling dynasties with semi-autonomous rule, and sometimes outright rebellious rule, became commonplace, a fact reflected in the later Parthian style of governance.
