Wikipedia: Eid al-Adha
Second in the series of Eid festivals that Muslims celebrate. Eid al-Adha is celebrated as a commemoration of Prophet Ibrahim's willingness to sacrifice his son for Allah.
en.wikipedia.org/wiki/Hari_Raya_Haji
Holiday Spot: Eid Ul Adha
Features the significance and history of Eid Also includes recipes, customs, gift ideas, greeting cards, and more.
www.theholidayspot.com/eid_ul_adha
Eid Al-Adha - About.com
Looks at the meaning of Eid Al-Adha, the festival of sacrifice in Islam.
islam.about.com/od/hajj/a/adha.htm