King Willem-Alexander of the Netherlands will celebrate his 50th Birthday on April 27th. Though the royal family will be in Tilburg on the 27th, they are hosting a Gala Dinner Royal Palace in Amsterdam for 150 guests. In honour of the occasion, we are flashing back to previous Dutch royal milestone birthdays. Today’s feature- Queen Beatrix’s 60th Birthday in January 1998. Celebrated over two days, the events were attended by many foreign royals. Take a look below at some of the guests-

Due to bombings by terrorist group ETA in Sevilla, King Juan Carlos, Queen Sofía and Infanta Pilar of Spain only attended the lunch at Het Loo Palace. They were greeted very warmly by their dear friend Queen Beatrix. pic.twitter.com/5xf2iS0txA

— RoyalArjan (@RoyalArjan) January 27, 2018

Today in 1998: Dutch Queen Beatrix celebrates 60th birthday at @paleishetloo, + Sonja, Margarethe II and Anne-Marie pic.twitter.com/1bju4sZZbd

— Paul Rem (@PaulHRem) January 31, 2015

More guests at the Royal Palace: Empress Farah of Iran with daughter-in-law Yasmine, the Kings and Queens of Bulgaria, Norway and Sweden, Queen Margrethe II and Prince Henrik of Denmark and Queen Anne-Marie of the Hellenes. pic.twitter.com/AOT4vtO0Xo

— RoyalArjan (@RoyalArjan) January 27, 2018

On the evening of January 30th, the Dutch Royal family and their guests attended a Ballet performance at the Muziek Theater in Amsterdam, while on the evening of the 31st, there was a gala dinner at the Royal Palace of Amsterdam.

Embed from Getty ImagesEmbed from Getty Images

Embed from Getty ImagesEmbed from Getty Images

More guests at the Muziek Theater: King Harald V and Queen Sonja of Norway, King Constantine II and Queen Anne-Marie of the Hellenes and the Hereditary Grand Duke and Hereditary Grand Duchess of Luxembourg. Last photo: a view of the first balcony of the Muziek Theater. pic.twitter.com/1R7uk4P6uy

— RoyalArjan (@RoyalArjan) January 27, 2018

At the Ballet Performance, Queen Beatrix wore a purple and magenta gown with pearls and a black cape. She was seen with the Prince of Wales, who wore Black Tie. Then Crown Prince Willem Alexander also wore Black Tie.

Embed from Getty ImagesEmbed from Getty Images

For the Ballet Performance, Queen Sonja of Norway wore a navy skirt with a long jacket, floret earrings, and an art deco brooch. King Harald of Norway wore Black Tie. For the Gala Dinner, Queen Sonja wore a white gown with Queen Alexandra’s diamond pendant earrings. King Harald wore Black Tie.

Embed from Getty ImagesEmbed from Getty Images

For the Ballet Performance, Queen Silvia of Sweden wore a sequined gown. King Carl XVI Gustaf of Sweden wore Black Tie. For the Gala Dinner, Queen Silvia wore a purple gown with diamond floral earrings. King Carl Gustaf wore Black Tie.

Embed from Getty Images Embed from Getty Images

For the Ballet Performance, Queen Margrethe of Denmark wore a black lace top over a navy skirt with her modern ruby and gold suite. Prince Henrik of Denmark wore Black Tie. For the Gala Dinner, Queen Margrethe wore a green silk gown with a diamond riviere, earrings, and brooches. Prince Henrik wore Black Tie.

Embed from Getty Images Embed from Getty Images

For the Ballet Performance, Queen Anne Marie of Greece wore an aquamarine gown with pearls. King Constantine of Greece wore Black Tie. For the Gala Dinner, Queen Anne Marie wore a striped gown with the necklace and earrings from her Ruby Parure.

Embed from Getty Images Embed from Getty Images

For the Ballet Performance, Grand Duchess Maria Theresa of Luxembourg wore a black gown with gold jewelry. Grand Duke Henri of Luxembourg wore Black Tie. For the Gala Dinner, Grand Duchess Maria Theresa wore a navy gown with a choker. Grand Duke Henri wore Black Tie.