During the 1985-1986 academic year, the University observed its 150th anniversary.

It began in 1979 and is not observing its 30th anniversary.

Almost all the relatives said they observed the anniversary in some special way.

To observe the anniversary, a number of events have been scheduled.

The government officially observes its anniversary as a national holiday.

In 1975, the village observed the 100th anniversary of its incorporation.

This Sunday, our nation will come together to observe the 10th anniversary of the 9/11 terrorist attacks.

It is only a few months short of 25 years since Hunter's historic step, but he won't be around to observe the anniversary.

In January 2013, the school observed its 125 anniversary.

Science Times today observes its 20th anniversary by adding new pages for health, behavior and fitness.