Bamidbar (Num.) 9:1, which begins the section related to Pesach Sheni says that the event occurred in the second year from leaving Egypt. Beginning in verse 9, we learn about the laws of Pesach Sheni. ...
There is a well known idea that when the Jews left Egypt during the Exodus, they were on the "forty-ninth level of tumah". Many explanations are given for this and it is expounded upon at length by a ...