The commemorative ceremony delayed the women's singles match by more than an hour.

Since this date, a commemorative ceremony has been held annually.

The commemorative ceremonies began in 1878, to mark the 100th anniversary of the battle and massacre.

"That is why the commemorative ceremonies this year are so important to all of us."

There will be commemorative ceremonies this week in Buffalo and outside the prison.

Every year, on the anniversary of the crash, the fountain is shut off during a commemorative ceremony and not activated again until the following spring.

Tours, many of them for veterans, that include attendance at the official commemorative ceremonies are sold out.

The bombing Sunday, which also wounded 61 people, came 15 minutes before the commemorative ceremony for veterans.

The truck was also invited to "ground zero" for a special commemorative ceremony in 2004.

Although the educational function of the facility has long since ceased, the commemorative ceremonies have been and are still held twice a year.