What is another name for a big happening?

Answer 1

accident, act, action, advent, adventure, affair, appearance, business, calamity, case, catastrophe, celebration, ceremony, chance, circumstance, coincidence, conjuncture, crisis, deed, development, emergency, episode, experience, exploit, fact, function, holiday, incident, juncture, marvel, matter, milestone, miracle, misfortune, mishap, mistake, occasion, occurrence, pass, phase, phenomenon, predicament, proceeding, shift, situation, story, thing, tide, transaction, triumph, turn, wonder

-Source: http://thesaurus.reference.com/browse/event