Guests of honour attend a Thanksgiving service in the palace chapel in Stockholm September 15, 2013, marking the 40th anniversary of Swedish King Carl XVI Gustaf's accession to the throne on September... more 
Guests of honour attend a Thanksgiving service in the palace chapel in Stockholm September 15, 2013, marking the 40th anniversary of Swedish King Carl XVI Gustaf's accession to the throne on September 15, 1973. Front row from left: Finland's First Lady Jenni Haukio, Finland's President Sauli Niinisto, Iceland's First Lady Dorrit Moussaieff, Iceland's President Olafur Ragnar Grimsson, Norway's Queen Sonja, Norway's King Harald, Denmark's Prince Henrik and Queen Margrethe. REUTERS/Fredrik Sandberg/Scanpix Sweden (SWEDEN - Tags: ROYALS ENTERTAINMENT RELIGION SOCIETY ANNIVERSARY) ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. SWEDEN OUT. NO COMMERCIAL OR EDITORIAL SALES IN SWEDEN. NO COMMERCIAL SALES less 
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Reuters | Photo By SCANPIX SWEDEN / REUTERS
Sun, Sep 15, 2013 9:10 AM EDT