The crossword solutions for the term 'What Happened?' are 'THEN, ' 'HISTORY, ' 'NEXT, ' 'EVENT, ' and 'CourseofEvents.' The term 'What Happened?' implies a question about the past, so the solutions likely refer to a sequence of events that have already taken place. 'THEN' and 'NEXT' refer to the order of events, while 'HISTORY' and 'CourseofEvents' refer to the collective narrative of what has happened. Finally, 'EVENT' refers to a single occurrence in the timeline.