Between the holidays of Passover and Shavuot, the Omer is counted each evening, signifying our preparation for the receiving of the Torah on the holiday of Shavuot.
Shavuot marks the giving of the Torah on Mt. Sinai. The Ten Commandments are read in synagogues just as they were in the desert on Mt. Sinai over 3,300 years ago.
Our Sages proclaimed the 15th of Av as one of the two greatest festivals of the year, yet they ordained no special observances or celebrations for it...