The opening ceremony of the 1920 Olympic Games in Antwerp was marked by what?

Question

At the opening ceremony of every Olympic Games when the athletes parade into the stadium, what is traditionally the first nation to enter?

Answer 1

The release of doves
Doves had been released in the 1896 Olympics, the first in the current Olympic Games era, as part of the closing ceremony. However, in Antwerp, the first Games after the end of hostilities in the First World War, one soldier for each country's team released a dove as a symbol of peace when the Games opened, and the practice of the symbol of peace in the opening ceremony has continued, although not, since 1992, with live doves.