Takana Considerations
Rebbe Yochanon Ben Zakkai led the Jewish nation through the tumultuous years immediately following the destruction of the Second Beis Hamikdash. His guidance preserved Torah-true Judaism.
Chadash and Yashan
The enactment that new grain may not be eaten for the whole day of the sixteenth of Nissan, in case the Beis HaMikdash is rebuilt.
Rebbe Yochanon Ben Zakkai led the Jewish nation through the tumultuous years immediately following the destruction of the Second Beis Hamikdash. His guidance preserved Torah-true Judaism.