question:
The Abbot of Monte Cassino, Desiderius sent envoys to Constantinople some time after 1066 to hire expert Byzantine mosaicists for the decoration of the rebuilt abbey church.
Who hired Byzantine experts to decorate a rebuilt abbey church?

answer: yes

question:
The Convention for the Conservation of Antarctic Marine Living Resources (CCAMLR), a treaty that came into force in 1980, requires that regulations managing all Southern Ocean fisheries consider potential effects on the entire Antarctic ecosystem.
When did the Convention for the Conservation of Antarctic Marine Living Resources come into force?

answer: yes

question:
In 1915, as the Russian Caucasus Army continued to advance into eastern Anatolia, the Ottoman government started the deportation of its ethnic Armenian population, resulting in the death of approximately 1.5 million Armenians in what became known as the Armenian Genocide.
When did the Russian Caucasus Army advance into eastern Anatolia?

answer: yes

question:
Prior to the announcement of the winner, season five finalist Ace Young proposed marriage to season three runner-up Diana DeGarmo on stage which she accepted.
Who won this season of Idol?

answer:
no