11.   No one was hurt, but the army said the attack marked another violation of the April understandings.

12.   Palestinians have fired mortars at Israeli settlements in Gaza, but the attack marked the first time they had fired into Israel proper, the army said.

13.   The attack marked the first against its nuns in Yemen.

14.   The attack marked the first time the Gaza security headquarters have been targeted by Israel in seven months of fighting.

15.   The attacks marked a sharp escalation in the Nordic biker war.

16.   The attack marked an escalation of hostilities between the rebels and the soldiers since the guerrillas unilaterally called off a three-month truce Wednesday.

17.   The attack marked the first time U.S. conventional ground troops have been used in an offensive operation.

18.   The attacks marked the first times that rebels fighting for independence in northern Sri Lanka are known to have used antiaircraft missiles.

19.   The attack marked the second time in recent weeks that a suicide bomber did not hesitate to blow himself up in an area where Arabs were also present.

20.   The attacks marked the first time rebels fighting for independence in northern Sri Lanka are known to have used antiaircraft missiles.