Queen Elena of Italy receives Golden Rose from Cardinal Borgongini Duca

The video covers a ceremonial event at the Vatican, featuring a colorful procession and the presentation of a bird gift from France to celebrate the Queen's 40th wedding anniversary. The event includes pageantry inside the Pauline Chapel, with the Golden Roses being brought in. The ceremony concludes with a private presentation attended by King Victor Emmanuel and Queen Elena.

What is the occasion being celebrated in the ceremony?

Who are the key figures mentioned in the text during the presentation?