CS1: Julian\u2013Gregorian uncertainty

Otto_Froitzheim

Otto Froitzheim (German pronunciation: [ɔto fʀøːtshaɪ̯m]; 24 April 1884 – 27 October 1962) was a German tennis player. He won the singles and doubles titles at the World Hard Court Championships in 1912. He also won an Olympic Silver medal in singles in 1908 and was a finalist at Wimbledon in 1914.

Maria_Konopnicka

Maria Konopnicka (Polish pronunciation: [ˈmarja kɔnɔpˈɲitska] ; née Wasiłowska; 23 May 1842 – 8 October 1910) was a Polish poet, novelist, children's writer, translator, journalist, critic, and activist for women's rights and for Polish independence. She used pseudonyms, including Jan Sawa. She was one of the most important poets of Poland's Positivist period.

Irena_Jurgielewiczowa

Irena Jurgielewiczowa (née Drozdowicz; 13 January 1903 – 25 May 2003) was a Polish teacher and writer of children's literature and young adult literature. During World War II she was an underground teacher, member of Armia Krajowa, and participant of the Warsaw Uprising. After the war she was a lecturer at the University of Warsaw.
She is best known for Ten obcy (That Stranger, 1961) and Inna.

Delila_(Richards)_Abbott

Delila M. "Dee" Richards Abbott (November 4, 1908 – December 1, 1998) was an American politician and businesswoman. Throughout her life she was active in both local and national politics, and her accomplishments range from writing fiction novels to serving on the Defense Advisory Committee for Women. Abbott worked to bring more women into the public sphere, saying that "Women are a neglected resource. They are not sufficiently recognized and their full potential is not often developed". Abbott attended LDS Business College. Aside from the Defense Advisory Committee for Women, Abbott served on multiple committees and campaigns.

Raquel_Meller

Francisca Romana Marqués López (9 March 1888 – 26 July 1962), better known as Raquel Meller, was a Spanish diseuse, cuplé, and tonadilla singer and actress.She was an international star in the 1920s and 1930s, appearing in several films and touring Europe and the Americas. A vaudeville performer, she sang the original versions of well known songs such as "La Violetera" and "El relicario", both written by José Padilla Sánchez.

Maria_de_las_Mercedes_of_Bavaria_and_Bourbon

Princess María de las Mercedes of Bavaria, Infanta of Spain (3 October 1911 – 11 September 1953) was a German-Spanish princess. She was the third wife of Georgian Prince Irakli Bagration of Mukhrani. Through her father, Prince Ferdinand of Bavaria, she was a member of the Bavarian House of Wittelsbach. Through her mother, Infanta María Teresa of Spain, she was a granddaughter of Alfonso XII and niece of Alfonso XIII.

Juan_Bielovucic

Juan Bielovucic (30 July 1889 – 14 January 1949) was a Peruvian aviator who set several speed and altitude aviation records in 1910–13. He was also the first person to complete a successful powered aircraft crossing of the Alps in 1913, following a 1910 attempt by his friend Jorge Chávez that ended in a fatal crash landing. He established the first aviation school in South America in Lima, Peru. Bielovucic became a colonel of the Peruvian Aviation Corps (PAC) in 1911, joined the Service Aéronautique of the French Army as a volunteer in 1914 and earned the Legion of Honour for his service in World War I. He retired from active aviation in 1920 and returned to Peru where he became the lieutenant commander of the PAC Reserve. He was also active with the French Resistance during World War II. In Croatia, he is regarded as the first Croatian aviator.