Some more celebrations coming up in September:
"On
Saturday 10 September, it is possible to see the Queen in connection with a large changing of the guard at 12.00 at Amalienborg, where the royal family appears on the balcony. Afterwards, Her Majesty drives through Copenhagen in the carriage to participate in Copenhagen City Hall's celebration of the anniversary. In the evening, the Queen also arrives in the carriage when there is a gala performance on the Royal Theatre's Gamle Stage. The performance is broadcast by DR.
Sunday 11 September begins with a celebratory service in Our Lady's Church in Copenhagen. In the middle of the day, lunch is held on the Royal Ship Dannebrog, and in the evening the Queen holds a gala dinner at Christiansborg Castle, attended by the royal family, foreign guests and representatives of official Denmark. TV 2 will host an entertainment show.
On
Friday 23 September, the Queen will hold an evening party for the Government, the Danish Parliament and Danish members of the European Parliament. The evening party is part of the celebration of the Government Jubilee, and the guests and the royal family will, in addition to a dinner, also experience entertainment in the Riddersalen at Christiansborg Castle."
From Sweden, Carl Gustaf and Silvia will be attending the 10th and 11th.
https://www.svenskdam.se/kungligt/drottning-silvia-i-tiara-pa-kunglig-galafest-utomlands/8664848
also noted on their calendar,
https://www.kungahuset.se/mediecenter/officiella-program