TEL AVIV — As Washington wrestles with the latest Mideast crisis in the aftermath of the flotilla attack, Europe might take a moment to mark an anniversary on its diplomatic calendar.

Thirty years ago, on a Friday the 13th in June, a declaration issued by the European Community broke new ground by backing “self-determination” for the Palestinian people and urging that the Palestine Liberation Organization be “associated with” the negotiations for peace in the Middle East.

Coming in the midst of U.S. efforts to launch negotiations between Israel and Egypt on Palestinian autonomy, in accordance with the peace treaty signed by the two countries a year earlier, the “Venice declaration” stunned Jerusalem and jarred some nerves in Washington.