Beatrice Regina della Scala time she had a political request to Bernabò. Beatrice Regina died on 18 June 1384 at the age of fifty-three years. She was buried in Milan. A year and a half later, her husband was deposed and later poisoned by his nephew and son-in-law Gian Galeazzo Visconti, who in 1395 became the first Duke of Milan. She gave her name to the church of Santa Maria alla Scala in Milan, and by extension, the La Scala opera house ("Teatro alla Scala") which was built on the same site four hundred years later. Together Bernabò and Beatrice Regina had seventeen children:
Opera house (with 2,200), the Royal Opera House in London (with 2,268) and the Vienna State Opera (the new auditorium with 2,280). Modern opera houses of the 20th century such as New York's Metropolitan Opera House (with 3,800) and the War Memorial Opera House in San Francisco (with 3,146) are larger. Many operas are better suited to being presented in smaller theaters, such as Venice's La Fenice with about 1,000 seats. In a traditional opera house, the auditorium is U-shaped, with the length of the sides determining the audience capacity. Around this are tiers of balconies, and often, nearer to the stage,