A king poses for a new portrait as he makes history with 50 years on the throne: The best photos from the royal's Golden Jubilee

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A European royal just made history.

On Sept. 15, 2023, Sweden's King Carl XVI Gustaf celebrated the 50th anniversary of his accession to the throne.

It's an historic event as he's the first Swedish monarch to rule for that long and to earn a Golden Jubilee.

Join us as we take a look at the best photos of him and his glamorous family — including cousins from other European royal families — from the Golden Jubilee events as they stepped out in gowns, tiaras, hats and more, starting with this new portrait…

Sweden's King Carl XVI Gustaf posed for an official portrait to mark his 50th anniversary on the throne.

This official jubilee year portrait was taken in the Rikssalen at Royal Palace and show the silver throne from Queen Kristina's coronation in 1650.

The king wore an admiral's uniform with the chains of the Order of the Seraphim, the Order of the Sword, the Order of the North Star and the Order of Vasa. Around his neck, the King wore the Grand Commander's insignia of the Order of Dannebrog, an order that's only awarded to the Danish monarch's closest relatives.

Swedish and Norwegian royal commemorative medals are also visible under the chains of orders.

Keep reading for more photos from the big event…

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The monarch's heir, Crown Princess Victoria, attended the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking her father King Carl XVI Gustaf's 50 years on the throne.

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Sweden's Prince Carl Philip and Princess Sofia attended the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking his father King Carl XVI Gustaf's 50 years on the throne.

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Sweden's King Carl XVI Gustaf and Queen Silvia attended the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking his 50 years on the throne.

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Princess Madeleine of Sweden attended the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking her father King Carl XVI Gustaf's 50 years on the throne.

MORE: All the best photos from Queen Elizabeth II's Platinum Jubilee

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Sweden's King Carl XVI Gustaf, Queen Silvia, Crown Princess Victoria and Princess Estelle attended the jubilee concert on Norrbro on Sept. 16, 2023, organized by the City of Stockholm, during celebrations of the 50th anniversary of the monarch's accession to the throne.

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Sweden's Princess Sofia and her son Prince Gabriel attended the jubilee concert on Norrbro on Sept. 16, 2023, organized by the City of Stockholm, during celebrations of the 50th anniversary of the king's accession to the throne.

MORE: All the best photos from Queen Elizabeth II's Platinum Jubilee

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Sweden's Crown Princess Victoria and Prime Minister Ulf Kristersson attended the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking her father King Carl XVI Gustaf's 50 years on the throne.

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Sweden's Prince Carl Philip and Princess Sofia attended the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking his father King Carl XVI Gustaf's 50 years on the throne.

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Denmark's Queen Margrethe II, Crown Prince Frederik and Crown Princess Mary chatted with Sweden's Crown Princess Victoria and her daughter, Princess Estelle, on the balcony at the Royal Palace in Stockholm on Sept. 15, 2023 as they watched the changing of the guards and a choir tribute as part of King Carl XVI Gustaf of Sweden's Jubilee celebrations marking his 50 years on the throne.

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Princess Madeleine of Sweden and husband Christopher O'Neill attended the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking her father King Carl XVI Gustaf's 50 years on the throne.

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Sweden's Queen Silvia attended the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking her husband King Carl XVI Gustaf's 50 years on the throne.

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Crown Princess Mary of Denmark attended the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking King Carl XVI Gustaf of Sweden's 50 years on the throne.

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Prince Daniel of Sweden escorted Crown Princess Mary of Denmark to the Jubilee banquet at the Royal Palace in Stockholm on Sept. 15, 2023, as part of the celebrations marking his father-in-law King Carl XVI Gustaf's 50 years on the throne.

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Sweden's King Carl XVI Gustaf escorted Denmark's Queen Margrethe II — they're first cousins — to the Jubilee dinner at the Royal Palace in Stockholm, Sweden, on Sept. 15, 2023, marking the 50th anniversary of his accession to the throne.

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Crown Prince Haakon of Norway escorted Queen Anne-Marie of Greece — they're cousins — to the Jubilee dinner at the Royal Palace in Stockholm, Sweden, on Sept. 15, 2023, marking the 50th anniversary of King Carl XVI Gustaf of Sweden's accession to the throne.

Anne-Marie is a first cousin of Sweden's Carl XVI Gustaf as well as the sister of Denmark's Queen Margrethe II.

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Sweden's King Carl XVI Gustaf delivered a speech during the Jubilee dinner at the Royal Palace in Stockholm, Sweden, on Sept. 15, 2023, marking the 50th anniversary of his accession to the throne.

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Crown Princess Victoria and Prince Daniel of Sweden attended the Jubilee performance of the Royal Opera at Drottningholm Palace Theatre in Stockholm on Sept. 14, 2023, as part of King Carl XVI Gustaf's 50th Jubilee celebrations marking her father's five decades on the throne.

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Crown Princess Victoria and Prince Daniel of Sweden attended the Jubilee performance of the Royal Opera at Drottningholm Palace Theatre in Stockholm on Sept. 14, 2023, as part of King Carl XVI Gustaf's 50th Jubilee celebrations marking her father's five decades on the throne.

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Sweden's Princess Estelle and Prince Oscar attended the Jubilee performance of the Royal Opera at Drottningholm Palace Theatre in Stockholm on Sept. 14, 2023, as part of King Carl XVI Gustaf's 50th Jubilee celebrations marking their grandfather's five decades on the throne.

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Prince Carl Philip and Princess Sofia of Sweden attended the Jubilee performance of the Royal Opera at Drottningholm Palace Theatre in Stockholm on Sept. 14, 2023, as part of King Carl XVI Gustaf's 50th Jubilee celebrations marking her father's five decades on the throne.

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Princess Madeleine of Sweden and husband Christopher O'Neill attended the Jubilee performance of the Royal Opera at Drottningholm Palace Theatre in Stockholm on Sept. 14, 2023, as part of King Carl XVI Gustaf's 50th Jubilee celebrations marking her father's five decades on the throne.

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Senior members of Sweden's royal family — Princess Madeleine and husband Christopher O'Neill, Queen Silvia and husband King Carl XVI Gustaf, Princess Sofia and husband Prince Carl Philip, and Crown Princess Victoria — stood on the balcony at the Royal Palace in Stockholm on Sept. 15, 2023 to watch the changing of the guards and a choir tribute as part of the king's Jubilee celebrations marking 50 years on the throne.

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Members of Sweden's royal family — Princess Madeleine and husband Christopher O'Neill, plus Prince Carl Philip and wife Princess Sofia — stood on the balcony at the Royal Palace in Stockholm on Sept. 15, 2023 to watch the changing of the guards and a choir tribute as part of King Carl XVI Gustaf's Jubilee celebrations marking 50 years on the throne.

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Members of Sweden's royal — Prince Oscar, Princess Estelle, Prince Daniel, Crown Princess Victoria, Queen Silvia and King Carl XVI Gustaf — sat in the front row at a thanksgiving service, Te Deum, in the Palace Church at the Royal Palace in Stockholm, Sweden, on Sept. 15, 2023, as they celebrated the 50th anniversary of the monarch's accession to the throne.

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Sweden's King Carl XVI Gustaf and Queen Silvia stood on the balcony at the Royal Palace in Stockholm on Sept. 15, 2023 to watch the changing of the guards and a choir tribute as part of his Jubilee celebrations marking 50 years on the throne.