Korach is from shevet Levi. His birth is mentioned in the Torah. However in this parasha he starts a revolt against Moshe. He gets 250 people to confront Moshe and Aharon. These people were from Reuven and Levi. Korach says to Moshe that he is keeping Hashem to himself and that other people are also holy. Moshe and Korach go to the tent and both bring offerings. Then the earth swallows Korah, and fire consumes his 250 followers.

In Parashat Sh'lach, Moshe sends the twelve spies from Bnei Yisrael into Israel to return with a report of the land. The spies were in Israel for 40 days. When they came back they had gigantic fruits with them. They told Bnei Yisrael that there are powerful giants in Israel and that the Jews would never stand a chance against them in war....

Parashat Beha'alotcha is packed with events that seemingly are unconnected, including the anniversary of Yetziat Mitzrayim, the laws of the Korban Pesach ​and Pesach Sheni, Moshe faced with Bnei Yisrael's complaints, appointing 70 elders and their new spirit of prophecy, as well as Miriam and Aharon's Lashon HaRah and Tzaraat...

When Bnei Yisrael left the spiritual experience of Har Sinai, they started their journey into the wilderness. After three days of nonstop traveling, Bnei Yisrael became tired and discouraged and started to complain. Hashem sent out a burning fire to the camp, but Bnei Yisrael complained to Moshe, and Moshe prayed on their behalf to Hashem to get rid of the fire...