This important anniversary marked a surge in new chapters, including chapters in new areas.

In 2009 marked the 150th anniversary of diplomatic relations between Russia and Uruguay.

But for the Palestinian Arabs, the anniversary marks the Nakba, or catastrophe.

But if this year's luck holds, the anniversary of Mr. Lopez's death will also mark an accomplishment: not a single driver has been killed since.

The anniversary also marked 100 years of self-acting detergents -of which Persil was a pioneer.

This year's other anniversary marks the Spanish-American War, when the communication age was already beginning.

Not only that, but 2009 will mark the company's fifteen-year anniversary.

The anniversary also marks the creation of the Intergroup on Family and the Protection of Childhood.

LSC's 50th anniversary marked the transition of its three main schools to EC.

Next week marks the first anniversary of the shootings at Columbine High School in Littleton, Colo., which left 15 dead and 23 wounded.