The phrase "were made known" can be replaced with a number of synonyms in order to vary one's writing style. Some options include "were revealed," "came to light," "were divulged," "became apparent," "were exposed," "surfaced," "were uncovered," "came out," and "were disclosed." These alternatives can be particularly useful when conveying information in a more concise or impactful way. Additionally, using synonyms can also help to avoid redundancy in writing, especially when discussing the same topic or idea multiple times. Overall, by utilizing synonyms for "were made known," writers can create a more dynamic and engaging story or piece of content.