People from all over Denmark are expected to crowd Copenhagen in a sign of the huge popularity the monarchy is enjoying.
"It could be that she thinks Prince Frederik is prepared to take over now," said Lars Hovbakke Sorensen, a historian and associate professor at University College Absalon in Denmark.
"He's 55, and maybe the queen wanted to avoid a situation where you would have a very, very old king, as you saw with Prince Charles."
The British king was 73 when he ascended the throne after his mother Queen Elizabeth died in September 2022 aged 96.
The new Danish royal couple will take the throne at a time of huge public support and enthusiasm for the monarchy.
Persons:
Stine Jacobsen, Johannes Birkebaek COPENHAGEN, Margrethe II, Denmark's, Frederik, Danes, Margrethe, It's, Anna Karina Laursen, Hans Christian Andersen, Mary, Royce, Christian, Mette Frederiksen, Klaus Johansen, Prince Frederik, Lars Hovbakke Sorensen, Prince Charles ., Queen Elizabeth, Johannes Birkebaek, Jacob Gronholt, Pedersen, Frances Kerry
Organizations:
of State, Reuters, ROYAL POWER, University College Absalon, Danish
Locations:
Copenhagen, Danish, Denmark, Britain