Journalists can get facts wrong based on faulty interpretation of information. Some facts though require no additional processing. The've been the same for centuries, are still the same, and may remain the same for eons to come. To help remember them, maybe some nursery rhymes could be of assistance.
...Like the number of days in every month of the year!
So repeat after me, dear sub-editor:
Thirty days have September,
April, June and November.
All the rest have thirty-one,
Except for February alone.
But according to this newspaper article, in a far, far away land, filled with mystical and mythical creatures, which possess magical powers and frequently engage in time travel:
There exists a date like April 31.
And it lived unhappily ever after with the rest of the correct dates!