Battle of Arsuf happened on 1191-09-07.

Melisende of Arsuf was born in 1177.

The Battle of Arsuf was a battle that occured roughly halfway between Acre and Jerusalem, near the coast of the Mediterranean during the Third Crusade. The Crusaders, along with the Knights Templar and the Knights Hospitaller and lead by RIchard the Lionheart, faced the Muslims under Saladin. The Battle was a triumph for the Crusading forces. Numbers on each side were roughly equal (20,000) although casualties weren't: approximately 700 Crusaders dead for approximately 7,000 Muslims dead, including 32 of their Emirs.

they fought in the battle of arsuf on the day of 7 September 1191 which richard the lionheart won the battle against saladin the leader of the saracens mens.richard the lionheart killed ltos of saladin men with their crossbow men.this victory was the road the jerasulem

You can only get to it after Altair fails the third and final assassination in Jerusalem. If you exit Jerusalem and go into the Kingdom and check the map, you'll see that the way to Arsuf has opened up. It's Southeast of Acre.