acted anonymously. In the middle of the year 1891 the division of the Civic Union took place, between the supporters of Leandro N. Alem and those of Bartolomé Mitre; Alvear - whose father had been an autonomist - chose to stay on Alem's side, and was one of the signatories of the manifesto of July 2 of that year, the founding act of the Unión Cívica Radical. That same year, Alvear accompanied the radical caudillo on a tour of the interior of the country to launch the Bernardo de Irigoyen-Juan M. Garro formula. During the afternoon of 30 July 1893, an emissary informed the young Alvear, who was in the box of the Lyric Theater, that in half an hour he had to leave to participate in the radical revolution. He withdrew at night and , with the help of Aurelio Bagú as a guide along with other young people, they took over the Temperley police station. Three days later, Hipólito Yrigoyen arrived with 1500 men, after revolting the entire center of the province of Buenos Aires. Yrigoyen, along with four thousand men, entered the city, where they were applauded by its inhabitants. On August 4 the head of the rebellion created several battalions to defend his settlement at Temperley. With the Sáenz Peña law of 1912, which established the secret and compulsory vote, the radicals abandoned the electoral abstention and Alvear was elected national deputy for the capital. Shortly afterwards he was taken to the presidency of the Jockey Club. Regina and his years in France In 1898, Alvear met the Portuguese soprano Regina Pacini, his future wife, when she was giving a season in Buenos Aires, at the General San Martín Municipal Theater. However, a first attempt to woo her was unsuccessful. Thus, Alvear left for Europe on the longest of the many trips he had made, determined to go after the Portuguese soprano, even going so far as to follow her throughout Europe, since the "persecution" would last eight years. At that time it was not well seen for an aristocrat to marry an artist. They finally got married at seven in the morning on Saturday, 29 April 1907, in the Lisbon church of Nuestra Señora de la Encarnación. After getting married, Alvear lived in Paris for several years. Deputy and ambassador When the Chamber of Deputies was renewed, he was elected deputy for the province of