Balkan royalty meets in Romania for the 'Little Entente' conference

The video covers the introduction of Prince Michael and his father, discusses plans affecting 50 million people for better economic relations and European politics, and showcases King Carol's summer palace. It celebrates the castle's 50th anniversary with visiting royalty unveiling a monument to King Carol. The Queens of the Balkans are introduced, and Princess Ileana's visit to America with Queen Marie is highlighted. Finally, King Carol welcomes back his brother Nicholas, who was previously exiled.

Who is referred to as the famous Prince in the text?

What was the purpose of the planned event affecting nearly 50 million people?

What is the significance of the castle's 50th anniversary mentioned in the text?

Which queens are mentioned in the text?

What significant event is mentioned regarding King Carol?