וַיְצַ֤ו הַמֶּ֙לֶךְ֙ אֶת־כָּל־הָעָ֣ם לֵאמֹ֔ר עֲשׂ֣וּ פֶ֔סַח לַֽיהוָ֖ה אֱלֹֽהֵיכֶ֑ם כַּכָּת֕וּב עַ֛ל סֵ֥פֶר הַבְּרִ֖ית הַזֶּֽה׃
And the king commanded all the people, saying: ‘Keep the passover unto the LORD your God, as it is written in this book of the covenant.’
Find Talmudic references to II Kings 23:21: , passages from the Talmud Bavli and Yerushalmi.