What's the plural form of counterhistory? Here's the word you're looking for.
Answer
The noun counterhistory can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be counterhistory.
However, in more specific contexts, the plural form can also be counterhistories e.g. in reference to various types of counterhistories
or a collection of counterhistories.
Examples
It is a counterhistory, a celebration of an explorer scarcely known in the United States, an Italian-born, French-educated aristocrat, Pietro Savorgnan di Brazza.