Eid ul Adha
Eid ul Adha occurs about two months later during the month of Zil-Hajj when an animal is sacrificed in commemoration of Abraham's sacrifice of his son. This festival is incorporated in the great pilgrimage to Mecca which should properly be made during this month but it is also observed all over the Muslim world at the same time.
We plan to celebrate this in November. More info will be posted.