Bar Mitzvah Source

(בראשית לד, כה) י אחי דינה איש חרבוושמעון ול
Shimon & Levi Were Brothers of Dina, a Man to His Sword

Date Year Event
2192 Yaacov marries Leah and Rochel
12 children born in the next 7 years
2193 Reuven born
2194 Shimon born
2195 Levi born
2199 Yosef, the last child in Galus, is born
Yaacov begins the last 6 years of work for Lavan
2205 Yaacov and family leave Lavan
Encounter with Eisav
Yaacov arrives in Succoth and stays for 18 months
2207 Yaacov moves to Shechem and buys property

Incident with Dinah
People of Shechem were circumcised
Shimon and Levi killed the people of Shechem
Levi turns 13 on that day
Shimon and Levi are called איש

Reference for Bar Mitzvah in the Torah