Which Caliph start the Hijri calendar?
A. Hazrat Ali (R.A)
B. Hazrat Umar-e-Farooq (R.A)
C. Hazrat Abu Bakar (R.A)
D. Hazrat Usman (R.A)
Reference: http://www.alsadiqin.org/en/index.php/Caliph_%27Umar,_Started_the_Muslim_Calendar,_639_CE
A. Hazrat Ali (R.A)
B. Hazrat Umar-e-Farooq (R.A)
C. Hazrat Abu Bakar (R.A)
D. Hazrat Usman (R.A)
Reference: http://www.alsadiqin.org/en/index.php/Caliph_%27Umar,_Started_the_Muslim_Calendar,_639_CE