The Story of Ruth

Why is Megillat Rut, the Megillah or scroll of Ruth, chanted on the holiday of Shavuot, the Feast of Weeks?  There are a number of reasons.  First, the story of Ruth takes place at harvest time and Shavuot happens at the completion of the harvesting of grain crops.  Another reason is that Shavuot was when King David was born and died and David was Ruth’s great-grandson.  Yet another reason is that Ruth was a convert who accepted the Torah and Shavuot was when the Torah was given to, and accepted by, the Children of Israel after they left Egypt.