# 2005 - Rockaway Beach, Queens A UFO was sighted over the water near what looked like aircraft carriers. It disappeared as quickly as it came.
# 2005 - Woodside, Queens Five Flying Saucers appeared over Woodside, Queens in November 2005. They were seen throughout the whole Queens and Manhattan area. They disappeared one at a time.
Full wikipedia article on UFO encounters here.
Citation needed, but one can hope.