Month of muhurrum

muhurrum is the first month of the Islamic year.it is the second holiest month, after Ramadan the tenth day of muhurrum is known as the day of ashura.
The meaning of muhurrum is"forbidden".on this day Shia Muslims mourn and respect Hussain ibn Ali, the grand son of Muhammad,who was killed in this month.
They also read a book named"Ziyarat Ashura"on this day.On the other hand,Sunni Muslims fast and pray Allah