1. happen - Verb
2. happen - Adverb
To come by chance; to come without previous expectation; to fall out.
To take place; to occur.
Source: Webster's dictionaryOld age is the most unexpected of all things that happen to a man. Leon Trotsky
Death is not the worst that can happen to men. Plato
Do not stop praying as long as, by God's grace, the fire and the water have not been exhausted, for it may happen that never again in your whole life will you have such a chance to ask for the forgiveness for your sins. John Climacus
What my heart wanted didn't happen -- What God wanted, that happened. Persian Proverb
You became full by eating, it won't happen by licking. Persian Proverb
Such things happen even to better folk. Finnish Proverb