When did two become one?

Two cubs were born, one died. "The" newborn didn't die, unless you amend it to say "the smallest cub" has died.

The newborn giant panda cub at the National Zoo has died http://t.co/kZzJkSCrPj pic.twitter.com/FUJ9CswQZj

— Newsweek (@Newsweek) August 26, 2015