Last updated on Jun 10th, 2021 at 05:09 pm

2004

Miss Mary Elizabeth Donaldson arrives to marry Danish Crown Prince Frederik at Copenhagen Cathedral May 14, 2004 in Copenhagen, Denmark. The romance began in 2000 when Mary Donaldson met the heir to one of Europe’s oldest monarchies over drinks at the Sydney Olympics, where he was with the Danish sailing team. (Photo by Pascal Le Segretain/Getty Images)

COPENHAGEN, DENMARK - MAY 14: Miss Mary Elizabeth Donaldson arrives to marry Danish Crown Prince Frederik at Copenhagen Cathedral May 14, 2004 in Copenhagen, Denmark. The romance began in 2000 when Mary Donaldson met the heir to one of Europe's oldest monarchies over drinks at the Sydney Olympics, where he was with the Danish sailing team. (Photo by Pascal Le Segretain/Getty Images)

Spanish Crown Prince Felipe de Bourbon and his bride, Princess Letizia Ortiz pose for a picture in the court yard of the royal palace after their wedding ceremony at the Almudena cathedral May 22, 2004 in Madrid. (Photo by Pascal Le Segretain/Getty Images)

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MADRID, SPAIN - MAY 22: Spanish Crown Prince Felipe de Bourbon and his bride, Princess Letizia Ortiz pose for a picture in the court yard of the royal palace after their wedding ceremony at the Almudena cathedral May 22, 2004 in Madrid. (Photo by Pascal Le Segretain/Getty Images)