First printing of the Zohar, the fundamental work of the Kabbalah (Jewish esoteric and mystical teachings), authored by the Talmudic sage, Rabbi Shimon Bar Yochai.
Links: The Kabbalah
Av 20 is the yahrtzeit (anniversary of the passing) of the Lubavitcher Rebbe's father, Rabbi Levi Yitzchak Schneerson (1878-1944), in Alma Ata, Kazakhstan. Rabbi Levi Yitzchak was Chief Rabbi of Yekaterinoslav (currently Dnepropetrovsk), and was arrested and exiled to Kazakhstan by the Stalinist regime as a result of his work to preserve Jewish life in the Soviet Union.
Links:
A Brief Biography
Rebbetzin Chana Scneerson's biography, which includes her account of her husband's heroism, arrest and passing.
We Jews are a diverse people. We speak many languages. We live in every part of the world. We have different cultures, foods, political views.
But when a Jew’s mind is absorbed within Torah, it is the same Torah within which another Jew is absorbed. And another Jew. And yet another.
We discuss and debate and share and challenge and discuss yet more.
Until all of us become one in mind, soul and body, within one grand conversation of an endless Torah.