Question: what holidays do muslims celebrate?
Answer: Al-Hijra — Islamic New Year. Marks the end of Mohammad's journey from Mecca to Medina.
Eid ul-Adha — Festival of Sacrifice. ... 
Eid ul-Fitr — End of Muslim Month of Fasting (Ramadan). ... 
Prophet's Birthday -- Celebration of the birth of the Prophet Muhammad. ... 
Ramadan — Muslim Month of Fasting.