In 1949, for promotional purposes (I guess), MGM Studios held a big luncheon for all their stars and made some kind of newsreel about it. They were celebrating the studio's twenty-fifth anniversary. And twenty-five years later — in 1974 — they did the same thing for their fiftieth. Here's a video that shows footage from both celebrations. It's not the best video quality but it'll have to do until we find something better…