There are plenty of words available in English language to replace the phrase "happened with". Some of the synonyms for "happened with" include "occurred with", " took place with", "befell with", "unfolded with", "transpired with", "proceeded with", "followed with", "happened alongside", and "coincided with", among others. These synonyms can be used to add variety to your writing or speech. However, it is always recommended to use simple and straightforward language rather than these complex synonyms for better communication. Nevertheless, if you are trying to elevate your writing or speech, employing these synonyms can help you sound more professional and articulate.