Muharram 10 is The Day of Ashura, the anniversary of the martyrdom of Imam Hussein AS. Ya Hussein AS. Condolences to everyone. May Allah (سُبْحَانَهُ وَ تَعَالَى) accept all your amal (activities) in remembrance of the martyrs of Karbala.
Ziarat Ashura of Imam Hussain (عليه السلام) http://www.duas.org/ashura/z_ashura.htm