Short answers, pulled from the story.
The Metropolitan Opera opened its first house on the 22nd of October 1883 with a performance of Charles Gounod's Faust. Christina Nilsson starred as Marguerite in that opening night production at the theater located at 1411 Broadway between 39th and 40th Streets.
Giulio Gatti-Casazza held the position of general manager from 1908 until 1935 spanning 27 years. He arrived at the Met after leading Milan's La Scala Opera House bringing conductor Arturo Toscanini with him.
The Metropolitan Opera moved from its original home on 39th Street to Lincoln Center in 1966. The new opera house designed by Wallace K. Harrison opened the 16th of September 1966 featuring Samuel Barber's Antony and Cleopatra.
Live high-definition video transmissions started the 30th of December 2006 into movie theaters worldwide. The first HD broadcast was Julie Taymor's production of The Magic Flute running 110 minutes.
On the 12th of March 2018 the company announced full termination including rescinding his title of music director emeritus. Investigations concluded March 2018 stating there was conclusive evidence for sexually abusive conduct dating back to the 1980s.