What was Rabbi Schneerson's birthdate (as per the Orthodox calendar)?
11 Nissan
25 Kislev
15 Sivan
9 Tishrei
Answer
The answer is 11 Nissan, which corresponds to April 5, 1902, in the Gregorian calendar. Rabbi Menachem Mendel Schneerson, also known as the Lubavitcher Rebbe, was born in the city of Mikolaiv, Ukraine, which was part of the Russian Empire at the time.
Discovering the Life and Legacy of Menachem Mendel Schneerson: The Beloved Orthodox Rabbi