Queen Victoria ... acts of great bravery during the Crimean War. It was awarded on merit instead of rank. The Crimean War was fought by an alliance of countries including Britain against Russia.

WATCH: Royal tiara rules you didn't know existed The Boucheron Laurel Wreath Tiara was passed down by Victoria's great-aunt Princess Lilian following her death in 2013. Here's everything you need ...

The Prince and Princess of Wales sat near Crown Princess Victoria of Sweden and her husband ... the theatrical event began with William's great-great-grandfather King George V in 1921.

The diamond head piece, better known as the Boucheron Laurel Wreath Tiara, was inherited by Princess Victoria from her great aunt, Princess Lilian, who died in 2013, according to The Court Jeweller.

Crown Princess Victoria, 47, led the way in a stunning floral gown, and was accompanied at the Royal Palace in the Swedish capital by her husband Prince Daniel, 51, and her younger brother Prince ...