This week, Victoria tells the story of the empress Saint Helena of Constantinople.

Sources:

Wikipedia:

Helena, Mother of Constantine I

List of Augustae

Church of the Nativity

Church of the Pater Noster

             True Cross

             Cathedral of the Most Holy Trinity, Waterford

             Holy Nail

             Milan Cathedral

             Carpentras Cathedral

             Iron Crown

             Seamless robe of Jesus

             Trier

             Santa Maria in Ara Coeli

             Pope Anastasius IV

             Pashons

             Flores de Mayo

             Feast of the Cross       

             Bright Week

             Saint-Leu-Saint-Gilles de Paris

             Hautvillers Abbey

             Sant'Elena, Venice

             Augustus (title)

             Constantius Chlorus

             Constantine the Great

             Geoffrey of Monmouth

             Henry of Huntingdon

             Zenobia

             Palmyrene Empire

             Helenopolis (Bithynia)

https://www.youtube.com/watch?v=ogJHvEUKbFg

https://www.britannica.com/biography/Saint-Helena

https://www.worldhistory.org/Helena_of_Constantinople/