The Golden Jubilee Diamond is currently owned by the King of Thailand, so it is not located in Europe.
The Golden Jubilee is also a name to mark the 50th anniversary, mostly of a political figure in power. The United Kingdom has had two [Queen Victoria and Queen Elizabeth II, both who have also celebrated a Diamond Jubilee of 60 years plus] and Austria-Hungary has had one [Emperor Franz Joseph].
The golden jubile
We sometimes call 50 years 5 decades, but half a centuryis more common.
60 anniversary
60 anniversary
silver jubile
Yes they are available in Europe.
Jubile high
Golden Times of Europe
Golden Times of Europe
It appears to be a Rado Jubile
mountains of Europe and North America.
There were multiple most powerful countries in Europe during the Golden Age of Exploration. They included Spain, France, and England.