1.   No organization claimed responsibility for the attack, the first such random bombing in the latest wave of unrest.

2.   The first American bombing of the outskirts of Hanoi and Haiphong had taken place a month earlier.

3.   According to the Russian police, the first bombing occurred after a middle-aged woman brought a bag to the bus driver, who placed it near the entrance.

4.   Eight days after the first bombings, a previously unknown Afrikaner group calling itself the Boer Attack Force took responsibility for them.

5.   First aerial bombing of civilians.

6.   Just days before the first bombing, his wife, a nurse, had given him Biaxin, an antibiotic, to treat a cold.

7.   That first bombing did heavy damage to his home.

8.   His first few bombings were at Chicago-area universities.

9.   It was the first bombing of northern Iraq since February and the third this year, U.S. officials said.

10.   It was the first deadly bombing in Paris in nine years.