Queen Sofia of Spain acted the same way in October 1984, when Greek president Konstantinos Karamanlis was received on State visit in Madrid. Karamanlis (a former Prime minister both under King Paul I and after the fall of the colonels regime) played an active role undermining Constantine II's position and eventually turning Greece into a republic and banning the former royal family from returning to Greece. In February 1981, as president of the Greek republic, Karamanlis also probably took a part (along with the Greek government) in the decision to allow the royal family to return to Greece for Queen Frederika's funeral, but only for the few hours strictly needed for the funeral... Consequently, Queen Sofia, along with the Greek royal family, felt an understandable resentment against him. So in 1984, Queen Sofia found this subtle but very visible way to "snub" Karamanlis, ignoring the republican version of the Order of the Redeemer (which Karamanlis had bestowed to her) and wearing instead the royal Order of Saint Olga and Saint Sofia, as well as the badge of the centenary of the Greek dynasty.
The private office of the late King released several pictures showing King Constantine's casket draped with the Greek royal standard above the Greek national flag:
Love Queen Margrethe’s cheeky and subtle sign! Way to go Daisy!!
This reminds me of a question, which is a bit off topic. I noticed when King Constantine’s coffin was moved to the grounds of Tatoi Palace and into the chapel, his immediate family took out what looked like a Greek royal standard flag and draped the coffin with that before other royals paid their final respects. I thought that was a brave move on the part of the family but I’m glad they did that. Did anyone else notice that?
A funny detail is that when there was an official Greek state visit to Denmark in 2009. Queen Margrethe wore her Greek royal order - and not one of the orders of the republic of Greece
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