Birth and yahrtzeit of Yosef ben Yaakov Avinu (1561-1451 BCE). According to most opinions, however, the actual date was 1 Tammuz.
Rav Yitzchak Charif of Sambur (1833), author of Sheilos U’teshuvos Pnei Yitzchak and Ha’elef Lecha Shlomo. He was the son of Rav Moshe of Dregatchin, author of Maggid Mishneh on Mishnas Chassidim.
Rav Nachum Tarbitch, author of Kovetz HaRambam (1848).
Rav Yaakov Shaul Elisher of Yerushalayim, author of Yisa Ish, Yisa Bracha, and other sefarim (1906).

Rav Nachman Bulman (1925-2002). His parents, Reb Meir and Ettel Bulman were Gerrer chasidim who had moved to the Lower East Side from Poland. Reb Meir had lost his first wife in childbirth and his second wife in a pogrom. He had also lost two children. In their 40s, the Bulmans received the Imrei Emes of Ger for a bracha for children. The result of that blessing was Nachman, who was born in New York. He attended Yeshivas Rabbenu Yitzchak Elchonon and then studied in its rabbinical program. He received semicha and a B.A. (in philosophy) from Yeshiva College. During the week, he learned in the Litvishe yeshiva way. On Shabbos and Yom Tov he absorbed the atmosphere of his parents’ Polishe shteibel with a love of chassidus.

Rav Yosef Yitzchak Rottenberg, head of Belgian community
Rav Aharon Berachia ben Moshe of Modina (1639). A student of the Rema. He was the author of Maavar Yabok, a collection of mitzvahs related to bikur cholim and everything having to do with the dead until burial.
Rav Meir of Apta, the Ohr Lashamayim (1831)
Rav Yeshaya Dovid Zilberstein of Veitzen, author of Maasei Lamelech (1930).

Rav Moshe Cordovero (Remak) (1522-1570).  The Remak was the son of Rav Yaakov, one of the exiles from Cardova, Spain. He studied under the great kabbalists Rav Shlomo HaLevi Alkabetz (who

Rav Shmuel ben Yoel ibn Shuiv, Rav in the Aragonese community of Salonica (1528). His father, who was born in Spain and moved to Salonica in 1495, authored Olas Shabbos, Nora Tehillos, and Ein Mishpat.
Rav Mano’ach Hendel, author of Chochmas Mano’ach (1611)
Rav Shlomo of Karlin (1740 or 1738-1792). A student of the Maggid of Mezritch, as well as of Rav Aharon the Great of Karlin, whom he succeeded in 1772, he died Kiddush HaShem, stabbed by a Cossack while in the midst of the Amida prayer.

Rav Shlomo of Chelm (1717-1781). Born in Zamosc, he became Rav of Chelm and Lvov (Lemberg). author of Merkevet Hamishnah, a work which is considered by many to be among the most important commentaries on Rambam’s Mishneh Torah. He also wrote Kuntres Breichos Bechesbon, a collection of Talmudic math problems and their solutions.
Rav Avraham Matisyahu Friedman of Stefanest, Romania (1848-1933). Only son of Rav Menachem Nachum (fourth son of the Rizhiner Rebbe). Succeeded his father after the latter’s petira in 1869.
Rav Yonah Ganzweig (1994), pioneer rabbinical leader in Los Angeles, his last years spent as Mora D’asra of Kehillas Tiferes Zvi
Today in History – 21 Tammuz

Rav Nosson Nata (ben Moshe) Hanover (1683). A talmid of the Maharshal, he was the author of Yaven Hametzula and Shaarei Tzion, a popular kabalistic sefer of tefilos and minhagim.
Rav Yisrael of Rikel, murdered in Kavakaz (1823).
Rav Moshe Yehuda Twersky of Trisk-Chelm, author of Imrei Mi (1937).

Rav Yitzchak Eizik Halevi Herzog ztl, Chief Rabbi of Ireland and later Palestine (1888-1959). His father, Rav Yoel Leib Herzog (1865-1933) was Chief Rabbi of Paris. From his birth until his 16th birthday, Reb Yitzchak studied at the feet of his father. He was given smicha by Rav Yaakov Willowski (the Ridbaz, author of a peyrush on the Yerushalmi). In 1916, he was named Chief Rabbi of Belfast, Ireland. Later he served in the same post in Dublin, and later he became Chief Rabbi of all of Ireland. Following the passing of Rav Avraham Yitzchak Hakohen Kook in 1935, Rav Herzog was invited to become Eretz Yisrael’s second Ashkenazi chief rabbi. He served in that capacity from 1933 until his petira in 1959. He is the author of the Heichal Yitzchok.

Rav Yehuda Halevi Eidel of Slonim (1805). Born in Zamosc, Galicia, in 1757 or 1759. His most famous work was Afikei Yehuda. His chidushim on Seder Toharos is considered indispensable for anyone studying this topic. He also published a book on Hebrew synonyms called Redifei Maya, and his first book, Safah le-Ne’emanim, a treatise on grammar, was what caught the attention of the Vilna Gaon.” He had five sons, all of whom became rabbis.
Rav Avraham (Maskileison) ben Yehudah Leib (1788-1848). He authored Maskil L’eisan (chidushim on parts of Moed and Kodoshim,), Be’er Avraham (chidushim on Shas), Nachal Eisan (chidushim on the first two parts of Rambam’s Yad Chazakah), and Yad Avraham (chidushim on Yoreh De’ah; notes on Sifre).

Chur, son of Kalev and Miriam, killed by the erev rav for his protest against making the Egel. (1309 or 1312 BCE)
Rav Shimon Moshe Diskin (1932-1999), son of Rav Yoshua Zelig Diskin, rav of Periaslov (Ukraine) and Pardes Chana, and grandson of Rav Shimon Moshe Diskin. He learned at Ponevezh and the Kaminetz-Knesses Beis Yitzchak kollel. He served for 26 years as one of the roshei yeshiva of Yeshivas Kol Torah.