Judges 11:39-40

Holman Christian Standard Bible

³⁹ At the end of two months, she returned to her father, and he kept the vow he had made about her. And she had never been intimate with a man. Now it became a custom in Israel ⁴⁰ that four days each year the young women of Israel would commemorate the daughter of Jephthah the Gileadite.