1.   Although the claim was almost immediately recanted, UFO buffs continue to believe the incident marked the first evidence that aliens have visited Earth.

2.   Diplomats said it was unclear whether the incidents marked the beginning of an intensified campaign of political repression on the part of the Haitian military.

3.   Diplomats said it was unclear whether the incidents marked the beginning of a stepped-up campaign of political repression.

4.   Sluga said the incident marked the first time that an animal had injured a zoo patron.

5.   That incident may have marked a watershed of sorts.

6.   The incident marks the second time in a year that Shriver has been hospitalized.

7.   The incident marks the third time that Mexico has delayed announcements of what U.S. officials see as adverse developments in its drug program.

8.   The incident marked the dawn of virulent anti-American sentiment in the region, with the new government in Tehran funding Islamic terrorist groups that shared that viewpoint.

9.   The incident marked the fourth time Strawberry has violated his house arrest.

10.   The incident marked the latest mishap in a bad summer for roller coasters.