After a discussion of Jewish communal structure in the medieval era, we will look at the devastation of the First Crusade and the Rhineland Massacres of 1096, follow up with some thoughts on the long-term impact on Ashkenazi Culture. Premiering today at 1 pm.

Here’s the latest videos from the Jewish History Lab series.

Brief review of the troubled journey of Rabbi Moshe Hayim Luzzatto, a brilliant young scholar of the 18th century who was persecuted by opponents and hounded across Europe before finding his way to the more tolerant intellectual climate of Amsterdam.

//embed.chabad.org/multimedia/mediaplayer/embedded/embed.js.asp?aid=5035317&width=auto&height=auto&HideVideoInfo=false “Truth will Sprout from the Earth: Gutenberg, the Internet, and the New Uncertainty Principle.” Presentation at the XIII International Torah and Science Conference, Miami. Introductory remarks by Dr. Nathan Katz.

Runaway Yeshiva Bochur’s Work May Aid COVID Research The Jewish Star (March 24, 2021) Shortly after emigrating to Israel in 1901, this Telz-educated orphaned son of a rosh yeshiva earned an unlikely nickname: “the crazy fly-catcher.” Israel Aharoni’s odyssey into the world of middle eastern zoology, long recognized in the scientific world with over 30…

Really thrilled to be part of the inaugural visiting faculty of the Ashkenazium! Please check out this introductory video that beautifully captures the historic “vibe” of the school and its Dean, Dr. Michael Chigel.

A brief overview of the history of Jewish life in Egypt. After looking briefly at the Exodus itself, we look at some major population centers in Elephantine, Alexandria, and Cairo, to the present day. To avoid any possible confusion: this lecture does not argue for continuity between the Jewish population described in the account of…

A brief look at the social and economic background of the post-Talmudic era in Baghdad, with an important digression into the 8th-10th century revolution in information technology that helped propel the authority and influence of the Geonim. The following video will look at the early history of North Africa, an area influenced by their scholarship…

Premiering today at 12:00 noon ET.

Preliminary remarks on the study of the Jews in Africa, followed by The Jews of Ethiopia (origins to 1862). Premiering today at 12 noon ET. Note: for some reason this particular topic attracts an unusual amount of inappropriate commentary. Scholarly, collegial discussion is welcomed here; but I intend to remove hateful remarks, and commentators who…

Are you in the Five Towns over Shavuot? Please join us at the Young Israel of Lawrence-Cedarhurst for a remarkable series of classes in Jewish history! We’re starting at midnight and learning all night till dawn prayers. In keeping with our theme this year of “Transformation: Personal, Communal, Global,” I’ve chosen to look at the…

The final Ashkenazium lecture is now online! With this lecture, the online course A Thousand Years of Ashkenaz is now complete! Twelve Modules and 56 lessons in length (mostly videos). Enjoy in good health! Chapter Six of The Jewish People: A History Now Online! Over 200 pages of draft text are now available to students…

Formally emancipated in 1790-91, the rights of Jews as citizens were challenged a decade later. In his typically grandiose fashion, Napoleon addressed the question by reconvening the ancient Great Sanhedrin and asked the Jews of France twelve basic questions. The Holocaust in Ashkenaz Part 11 of The Ashkenazium Lectures, premieres today at 12:00 noon ET.…

Proud to work with Unpacked on this brief yet sophisticated discussion of a complex topic. New Draft Chapter in Biblical Jewish History now Online Very pleased to be receiving comments on the draft chapters in my forthcoming book with Koren Publishers! Students registered in the Biblical Jewish History course are welcome to read and critique.…

My friends, it’s almost Shabbos. Will you participate? Inscribe your name in the Book of Life by joining the list of donors to Renewal. Your contribution, large or small, will help them find a kidney for someone in desperate need. We can’t all be heroic altruistic kidney donors. But we can certainly be altruistic dollar…

900 years later, a document from the Cairo Geniza describes the tragic story of a French convert to Judaism during the Crusades Three years ago, my wife donated a kidney. Here’s why. Three years ago, on erev Yom Kippur, my wife Ilana donated a kidney to a total stranger. Although she literally gave someone the…

Here’s your opportunity to get an advance look at the first volume of my forthcoming The Jewish People: A History. Dear fellow students of Jewish History! I am in the last few months of producing the manuscript of volume one of my forthcoming book, The Jewish People: A History. I’ve been trying an experiment in…

Official languages of the seminar are Ukrainian and English, with simultaneous translation. The conference is open to the public. Here is a brief translation of the program with the full details in Ukrainian below. Petliura and “The Petliura Affair:” De(constructing) an Imperial Myth Friday, April 29, 2022, 10:00am-1:00pm ET Via Zoom: http://www.bit.ly/HREC-Petliura. Zoom address: 874…

Professor Norman Golb’s amazing, old-school discovery in the British Library collection of Geniza documents. The Sabbatean Episode (The Ashkenazium Lectures Part VI) New Chapters appearing in Biblical Jewish History Course

Wishing you all a redemptive Passover season.

“My parents went to Mt. Ebal and all I got was this lousy lead curse tablet.” This video is part of the Biblical Jewish History online course (click here for information and registration). Judaism in Medieval Ashkenaz (The Ashkenazium Lectures Part 3) Passover Thoughts on Jewish History and the Situation in Ukraine Lecture delivered as…

The History of the Jews of Ukraine in the Context of the Current Crisis The Social and Economic Foundations of Medieval Ashkenaz Premiering today at 11:00 am EDT (New York Time). Join us for a live chat (58m). Online Courses