Revelations in a set of hacked emails released by WikiLeaks earlier this month have sparked new conversations about UFOs and speculation that extraterrestrials have been visiting Earth. But a very significant ― and possibly overlooked ― group of WikiLeaks items relevant to the topic was released on May 18, 2015.

WikiLeaks posted more than half a million U.S. State Department diplomatic documents from 1978 detailing America’s interactions with countries all around the world ― including Grenada Prime Minister Eric Gairy’s efforts to organize a United Nations-based committee to research and investigate global UFO reports.

Many of the documents, written by American UN officials, indicated how closely they were monitoring Grenada’s UFO-related activities.

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