For the eighth and final time, President Obama this year will break his unambiguous 2008 campaign promise to declare that the mass killings of Armenians at the hands of Ottoman Turks in 1915 and 1916 amounted to "genocide," a leading Armenian-American activist told Yahoo News on Thursday...

Aram Hamparian, executive director of the Armenian National Committee of America, told Yahoo News shortly after a briefing from Obama aides at the White House that the president would once again stop short of using the term "genocide" in his annual statement about the tragedy.

"We took from today's meeting at the White House that the president will end his tenure in office as he began it, caving in to Turkish pressure and betraying his own promise to properly recognize the Armenian genocide," Hamparian said by telephone.

As a senator, Obama supported but did not co-sponsor a 2007 resolution calling for the use of the term "genocide" when discussing the Armenian tragedy.

And when he was running for the presidency in 2008, Obama could hardly have been clearer.

"My firmly held conviction [is] that the Armenian genocide is not an allegation, a personal opinion or a point of view, but rather a widely documented fact supported by an overwhelming body of historical evidence," he said in a statement. "As president I will recognize the Armenian genocide."

Once in office, however, Obama's grip on that conviction apparently loosened, and he joined other presidents like George W. Bush in saying one thing during the campaign andanother from the Oval Office.

In 2015, the 100th anniversary of the tragic events, Obama's statement referred to "Meds Yeghern," Armenian for "the great calamity." He also included a reference to Raphael Lemkin, the Polish-Jewish lawyer who coined the term "genocide" during World War II.