It might be a wholly unrelated series of events.
There are a score of possible explanations for the decline, some attributable to government policy, many wholly unrelated.
Have you nothing better to do than take potshots at the Tea Party in a wholly unrelated article?
Although this series appears to be wholly unrelated to the above, there have been some crossovers between the two.
It could be something wholly unrelated to the work.
"Nightmare" evokes the modern word for a female horse but the terms are wholly unrelated.
Even in my head, the play and the story are now wholly unrelated works.
An indigent veteran who has a disability wholly unrelated to his years in the service can collect $650 a month.
Other than the similar name and the shared specialisation, they are wholly unrelated.
But that evening two items in the paper, wholly unrelated, made it again impossible for us to sleep.