The root word takes us back to the ancient Celts who held a ceremony called Samhain in order to honor the harvest cycle.

FORBES: Are You or Someone You Know Samhainophobic?

U.S. military officials said the ceremony was called off because they could not finalize the agreement with the Afghans.

NPR: Transfer Of US Prison To Afghans Delayed Again

That ceremony was called off after negotiations broke down.

NPR: US, Afghanistan OK Detention Center Transfer

Ivorian Aruna heard his name called out in a lively ceremony in a Brussels hotel - and admitted he had been very nervous.

BBC: Dindane takes Ebony Boot

Earlier this month a ceremony transferring the final prisoners to Afghan custody was called off at the last minute because President Karzai reportedly rejected part of the deal.

BBC: US army hands over Bagram prison to Afghanistan

The awards, called the Oscars of the environment movement, will be presented at a ceremony in San Francisco.

BBC: Italy waste campaigner wins 2013 Goldman Prize

Speaking at Thursday's signing ceremony, Kiir said the agreement marked a great day for the two nations but called for a swift resolution to the question of Abyei's future, for the sake of its people.

CNN: Sudan and South Sudan sign partial agreement