20 countries and 42 U.S. states have adopted resolutions acknowledging the Armenian Genocide as a bona fide historical event. But:
The Obama administration has said it will seek to block a controversial bill describing as genocide the World War I killing of Armenians by Turks. A congressional panel on Thursday approved the resolution, paving the way for a possible vote by the House. But US Secretary of State Hillary Clinton said the administration would “work very hard” to prevent this. Turkey voiced strong protests after the vote and recalled its ambassador from Washington for consultations. Clinton said the administration would seek to block the bill. Prime Minister Recep Tayyip Erdogan said his country had been accused of a crime it did not commit, adding the resolution would harm Turkish-US relations.
Wikipedia entry on recognition of the Armenian genocide.