Rabi-al-Awwal

1^st - Hijrat-e-Madina, Imam Ali(as) slept on the bed of Prophet Mohammad(sawaw)

4^th - Death of Hazrat Fatima Masooma-e-Qom(sa) - 201 AH (disputed date)

8^th - Martyrdom of Imam Hasan Al-Askari(as) - 260 AH

9^th- Eid-e-Zahra(sa)

10^th –Death of Hazrat Abdul-Muttalib(ra) - Grandfather of Prophet Mohammad(sawaw), in the 8th year of his birth

10^th –Marriage of the prophet Mohammad(sawaw) with Bibi Khadijah(sa)

15^th - Building Quba'a mosque ( 1st mosque in Islam )

17^th - Zahoor of the Prophet Mohammad(sawaw) - 53 years before Hijra

17^th - Birth of Imam Jafar Al-Sadiq(as) - 82 AH

25^th - Death of Hazrat Abu Talib(as)

Source - Azadari.com