The Law covenant went into effect at Mount Sinai in 1513 B.C.E. By means of that covenant, the ancient nation of Israel was set apart as God’s chosen nation.
صَارَ عَهْدُ ٱلشَّرِيعَةِ سَارِيَ ٱلْمَفْعُولِ عِنْدَ جَبَلِ سِينَاءَ سَنَةَ ١٥١٣ ق‌م .‏