Ashura
- A historical account of the Battle of Kerbala on the 10th day of Muharram, 61 AH (approx 20 October 680 CE).
- http://www.ashura.com/

Karbala :: Chain of Events
- An account of the Tragedy and its significance, and the events which led up to the battle.
- http://www.al-islam.org/short/Karbala.htm

Channel 4 - Karbala
- History, timeline, key players, resources and current events related to the tragedy in Karbala.
- http://www.channel4.com/culture/microsites/K/karbala/

Azadar.net
- A collection of speeches, prayers, Nohay and Ziaraat. Also includes a picture gallery and calendar.
- http://azadar.net

Ya Husain
- Information on Imam Husain (a.s.) and Karbala.
- http://www.ya-hussain.com/

Mazloom Husain (a.s.)
- A collection of articles on Imam Husain (a.s.), the Battle of Karbala, and the month of Muharram.
- http://www.ezsoftech.com/mazloom/