The Meaning of the Word Rabi-ul-Awwal – The first month of spring.
Auspicious Occasions:-
The Holy Prophet was born in this month as mercy for all and departed from this world 63 years later
Events of Rabi-ul-Awwal
* The Holy Prophet migrated from Makkah to Madinah Munawwarah.
* Battle of Buwaat took place in the year 2 A.ll.
*Battle of Saf’vaan took place in the year 2 A.H.
*Abu Bakr’s(R. A~) daughter, Asma (R.A.) was born 6 years before Prophecy.
* Ruqayyah (R. A.) the daughter of the beloved Prophet was born 7 years before Prophecy.
*Abu Bakr (RA.) was appointed Caliph.
Matrimonies within Rabi-Ul-Awwal:-
Hadhrat Umme Kulthum was married in this month to the third Caliph; Uthman (R.A.) in 3 A.H.
Deaths in Rabi-Ul-Awwal:-
Mother of the believers, wife of the Holy Prophet Zainab (RA.) passed away in the year 4 A.H.
Ibrahim (RA.) the son of Maaria Qibtiya & of the Holy Prophet passed away in the year 1O A.H.
Source: https://islambestreligion.wordpress.com/2012/01/28/rabiul-awwal-1433/