How about something the White House Press office releases - would you believe that?
Quote:
President Trump will later participate in the G-7 Summit in Taormina hosted by the Italian President of the Council of Ministers Gentiloni.
From Rome, the President will continue on to previously announced visits to Brussels for the NATO summit and meetings with EU and Belgian leaders, and to Sicily for the G7 meeting.
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https://www.whitehouse.gov/the-press...coming-foreign
Quote:
Mrs. Melania Trump is pleased to announce some of the stops on her first foreign trip as First Lady of the United States of America.
On Friday, May 19, 2017, the First Lady will join her husband President Donald J. Trump on an eight-day, five-stop trek to the Kingdom of Saudi Arabia, Israel, Rome, Brussels, and Sicily, returning to Washington, DC, on Saturday, May 27, 2017.
The First Lady will join her husband throughout each day, but will also participate in many of her own events. In the latter part of the trip, Mrs. Trump will attend spousal programs at the NATO and G-7 summits. She will conclude the trip by delivering remarks to United States military personnel and families in Italy.
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https://www.whitehouse.gov/the-press...-united-states
Since it was widely known that the G7 summit was being held on May 26–27, 2017 in Taormina (ME), Sicily, and that the NATO meeting was in Brussels on May 25, this makes that sort of information, and the movements of the President, public knowledge.
This gives information about departure dates, destinations, and duration of the trip.