The Gemara (Berakhot 58b) mentions that upon seeing 600,000 Jews one says the blessing "Baruch...Chacham HaRazim" (Who knows all secrets), and this is halacha (Sh.A. O.C. 224:5). Does any know of any ...
I once heard that if Israel has the largest Jewish population, it has a significant effect on certain Halachot. What are the criteria for this, and what halachot are affected? (Shmita is the one most ...