Events should be present tense, not paste tense.

src/main/java/org/bukkit/event/entity/EntityDamageByEntityEvent.java

@@ -0,0 +1,29 @@
+package org.bukkit.event.entity;
+
+import org.bukkit.Entity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+
+/**
+ * Stores details for damage events where the damager is a block
+ */
+public class EntityDamageByEntityEvent extends EntityDamageEvent implements Cancellable {
+
+    private Entity damager;
+
+    public EntityDamageByEntityEvent(Entity damager, Entity damagee, DamageCause cause, int damage)
+    {
+        super(Event.Type.ENTITY_DAMAGEDBY_ENTITY, damagee, cause, damage);
+        this.damager = damager;
+    }
+
+    /**
+     * Returns the entity that damaged the defender.
+     * @return Entity that damaged the defender.
+     */
+    public Entity getDamager()
+    {
+        return damager;
+    }
+
+}