Webster's Revised Unabridged Dictionary · 1913

Happen

Happen (hap"p'n) , intransitive verb

[Old English happenen, hapnen. See Hap to happen.]

1.
To come by chance; to come without previous expectation; to fall out.
There shall no evil happen to the just. — Bible (KJV) - Proverb xii. 21
2.
To take place; to occur.
All these things which had happened. — Luke xxiv. 14
Collocations (2)
To happen on , to meet with; to fall or light upon. I have happened on some other accounts. — Graunt
To happen in , to make a casual call. [Colloquial]