Как по Английски будет अप्रत्याशित घटना

noun

An unexpected or astonishing event, fact, etc.

Примеры использования:

The announcement came as a complete surprise

verb

(of something unexpected) cause (someone) to feel mild astonishment or shock.

Примеры использования:

I was surprised at his statement

noun

An unexpected event such as a war, crime, or an earthquake which prevents someone from doing something that is written in a legal agreement

Примеры использования:

They might now activate the force majeure clauses that will allow them to demand their money back.