Tu B'Av (Hebrew: ט״ו באב, the fifteenth of the month Av) is a minor Jewish holiday. In modern-day Israel, it is celebrated as a holiday of love (Hebrew: חג האהבה, Hag HaAhava), similar to Valentine's Day. It has been said to be a "great day for weddings".
You want to know more about this holiday? Go to this article where you can find all you need to know about it!: