Question: When was the president died during who's presidency The Dance of the Forty-One scandal occurred?

Context paragraphs:
2004 Chinese lottery scandal: In 2004, a scandal occurred when one of four lottery tickets didn't go to a prearranged winner, resulting in the arrest of five people and several government officials being removed.

2009 Chinese lead poisoning scandal: The 2009 Chinese lead poisoning scandal occurred in the Shaanxi province of China when pollution from a lead plant poisoned children in the surrounding area.  Over 850 were affected.  Villagers have accused the local and central governments of covering up the scandal.

Petromocho: El Petromocho was a political scandal that took place in the Principality of Asturias, Spain, in 1993.  It led to the resignation of the Asturian President, Juan Luis Rodríguez-Vigil.  The scandal occurred at a time when there was a need to attract productive investment to Asturias because of a declining industrial structure.

1915 British football betting scandal: The 1915 British football betting scandal occurred when a Football League First Division match between Manchester United and Liverpool at Old Trafford on 2 April (Good Friday) 1915 was fixed in United's favour, with players from both sides benefiting from bets placed upon the result.  In all, seven players were found to have participated in the scandal and all were subsequently banned for life, although most later had their bans overturned.

John Edward Brownlee sex scandal: The John Brownlee sex scandal occurred in 1934 in Alberta, Canada, and forced the resignation of the provincial Premier, John Edward Brownlee.  Brownlee was accused of seducing Vivian MacMillan, a family friend and a secretary for Brownlee's attorney-general in 1930, when she was 18 years old, and continuing the affair for three years.  MacMillan claimed that the married premier had told her that she must have sex with him for his own sake and that of his invalid wife.  She had, she testified, relented after physical and emotional pressure.  Brownlee called her story a fabrication, and suggested that it was the result of a conspiracy by MacMillan, her would-be fiancé, and several of Brownlee's political opponents in the Alberta Liberal Party.

Cleveland Street scandal: The Cleveland Street scandal occurred in 1889, when a homosexual male brothel in Cleveland Street, Fitzrovia, London, was discovered by police.  The government was accused of covering up the scandal to protect the names of aristocratic and other prominent patrons.  At the time, sexual acts between men were illegal in Britain, and the brothel's clients faced possible prosecution and certain social ostracism if discovered.  It was rumoured that Prince Albert Victor, the eldest son of the Prince of Wales and second-in-line to the British throne had visited, though this has never been substantiated.  Unlike overseas newspapers, the English press never named the Prince, but the allegation influenced the handling of the case by the authorities, and has coloured biographers' perceptions of him since.

Tokitsukaze stable hazing scandal: The Tokitsukaze stable hazing scandal occurred in Japan on June 26, 2007, when Takashi Saito (斉藤 俊 , "Saitō Takashi" ) , a seventeen-year-old junior sumo wrestler who fought under the "shikona" of Tokitaizan, collapsed and died after a training session at Tokitsukaze stable's lodgings in Inuyama, Aichi Prefecture, Japan.  It emerged that he was beaten with a beer bottle and a metal baseball bat at the direction of his trainer.  Saito's cause of death had been reported as heart failure, but his father insisted on an autopsy, which revealed the abuse.

Bristol heart scandal: The Bristol heart scandal occurred in England during the 1990s.  At the Bristol Royal Infirmary, babies died at high rates after cardiac surgery.  An inquiry found "staff shortages, a lack of leadership, [a] ... unit ... 'simply not up to the task' ... 'an old boy's culture' among doctors, a lax approach to safety, secrecy about doctors' performance and a lack of monitoring by management".  The scandal resulted in cardiac surgeons leading efforts to publish more data on the performance of doctors and hospitals.

Dance of the Forty-One: The Dance of the Forty-One or the Ball of the Forty-One (Spanish: "El baile de los cuarenta y uno") was a society scandal in early 20th-century Mexico, during the presidency of Porfirio Díaz.

Porfirio Díaz: José de la Cruz Porfirio Díaz Mori (] ; 15 September 1830 – 2 July 1915) was a Mexican general and politician who served seven terms as President of Mexico, a total of three and a half decades from 1876 to 1880 and from 1884 to 1911.  A veteran of the War of the Reform (1858–60) and the French intervention in Mexico (1862–67), Díaz rose to the rank of General, leading republican troops against the French-imposed rule of Emperor Maximilian.  Seizing power in a coup in 1876, Díaz and his allies, a group of technocrats known as "Científicos", ruled Mexico for the next thirty-five years, a period known as the "Porfiriato".

Supporting paragraphs: Dance of the Forty-One Porfirio Díaz
Answer: 2 July 1915