
Alexandra of Denmark was Queen consort of the United Kingdom and the British Dominions and Empress consort of India from 1901 to 1910 as the wife of King Edward VII.

Alexandra Feodorovna was Empress of Russia as the spouse of Nicholas II—the last ruler of the Russian Empire—from their marriage on 26 November 1894 until his forced abdication on 15 March 1917. Originally Princess Alix of Hesse and by Rhine at birth, she was given the name and patronymic Alexandra Feodorovna when she converted and was received into the Russian Orthodox Church. She and her immediate family were all killed while in Bolshevik captivity in 1918, during the Russian Revolution. She was later canonized in 2000 in the Russian Orthodox Church as Saint Alexandra the Passion Bearer.

Princess Elisabeth Sybille of Saxe-Weimar-Eisenach (28 February 1854, in Weimar, Großherzogtum Sachsen-Weimar-Eisenach – 10 July 1908, in Schloß Wiligrad near Lübstorf, was the first wife of Duke Johann Albrecht of Mecklenburg, Regent of Mecklenburg-Schwerin and of the Duchy of Brunswick.

Helen Morgenthau Fox was an American botanist and author of popular gardening books.

Archduchess Maria Christina Henriette Desideria Felicitas Raineria of Austria was Queen consort of Spain as the second wife of Alfonso XII. She ruled as queen regent during the vacancy of the throne between her husband's death in November 1885 and the birth of their son Alfonso XIII in May 1886, and subsequently also until the coming of age of the latter in May 1902.

Princess Victoria Louise of Prussia was the only daughter and the last child of German Emperor Wilhelm II and Augusta Victoria of Schleswig-Holstein. She was a great-granddaughter of Queen Victoria through her father. Her 1913 wedding to Prince Ernest Augustus of Hanover was the largest gathering of reigning monarchs in Germany since German unification in 1871, and one of the last great social events of European royalty before the First World War began fourteen months later.

Wilhelmina was Queen of the Netherlands from 1890 until her abdication in 1948. She reigned for nearly 58 years, longer than any other Dutch monarch. Her reign saw the First and the Second World Wars, as well as the Dutch economic crisis of 1933.