Rabbeinu Baruch bar Yitzchak was in the year 4962, as is evident from Sefer HaTerumah which he authored, section 135, and he was a student of Rabbeinu Yitzchak HaZaken and wrote the book from his teacher's mouth, as is evident in the Magid Mishneh, the 5th of Shabbat, chapter 2, in the Hagahah. And the Yuchsin says that Rabbi Baruch of Germiza who authored Sefer HaTerumah was in the year 4996, and he went to Spain regarding the commandment of tefillin [(

In this year, the people of the army who went against the Togarmim to Jerusalem caused many troubles, against the Jews in France and Ashkenaz and England [(Shomer HaDat, section 112, part 2)], there was also a great earthquake in the lands of the East, the likes of which had never been, and great cities fell, and afterwards there was famine and plague, heavily [(Tzeda LeDerekh, chapter 2)]: