Short answers, pulled from the story.
The Metropolitan Opera was founded in 1883, opening its first house on the 22nd of October 1883, with a performance of Charles Gounod's Faust. It was established as a rival to New York's Academy of Music by a group of 22 men who assembled at Delmonico's restaurant on the 28th of April 1880.
The Metropolitan Opera is currently located at the Metropolitan Opera House at Lincoln Center on the Upper West Side of Manhattan. The company moved there in 1966 after occupying its original building at 39th Street and Broadway since 1883.
Yannick Nezet-Seguin has been the music director of the Metropolitan Opera since February 2018. His contract has been extended through the 2029-2030 season.
The Mapleson Cylinders are a series of short live recordings made at the Metropolitan Opera between 1900 and 1904 by violinist and music librarian Lionel Mapleson, who used an Edison cylinder phonograph near the stage. They are the only known surviving recordings of certain performers, including tenor Jean de Reszke and dramatic soprano Milka Ternina, and were added to the National Recording Registry in 2002.
The Met's first experimental radio broadcast took place in January 1910, when Lee de Forest transmitted two live performances from the stage. The first network broadcast was heard on the 25th of December 1931, with a performance of Engelbert Humperdinck's Hansel and Gretel on NBC Radio.
Metropolitan Opera Live in HD is a program of live high-definition satellite broadcasts of Met performances to movie theaters worldwide, which began on the 30th of December 2006. The first broadcast was Julie Taymor's production of The Magic Flute. By 2011, the HD audience had reached 3 million people in 1,600 theaters around the world.
Marian Anderson made her historic debut at the Metropolitan Opera in 1955, becoming one of the first Black singers to perform there. Her debut under general manager Rudolf Bing opened the door for a generation of African American artists including Leontyne Price, who inaugurated the company's Lincoln Center house in 1966.