An occurrence or incident that is perceived as unimportant or lacking significance.

महत्वहीन घटना

English Usage: The celebration turned out to be a non-event with very few attendees.

Hindi Usage: उत्सव वास्तव में एक महत्वहीन घटना बन गया, जिसमें बहुत कम लोग उपस्थित थे।