Where a date is just not recognized specifically, "c. " could be used for "circa". Other illustrations are presented at WP:APPROXDATE, Though "fl. " for "floruit" ought to be prevented as It's not necessarily universally understood. Generations should not be abbreviated "c. " due to potential for confusion with "circa". https://holdentvtoy.bloggadores.com/34458097/5-simple-techniques-for-youtube