After the comeback of the cuff link, it was only a matter of time. Now tie tacks, lapel pins, collar pins, and—believe it or not—tie bars are not only back in the fashion magazines, they're being worn by everyone from New York hipsters (who find the irony of putting natty neckwear with distressed jeans irresistible) to straight-up banker types (who consider them basic to full business regalia).

Champagne glasses. English shapes: [a] 1678-1715: tall flute with short stem or button; [b] 1715 to mid -1730s: tazza-shaped bowl, often ogee in form, usually on moulded pedestal stem; [c] 1730-45: drawn flute; [d] 1745-1830: long-stemmed flute; [e] from 1830: the hemispherical bowl or coupe.

(from here; you can also see this by the dates on some of these antique glasses)

Someone in the eGullet thread estimates '70s-early '80s; this seems about right to me.

The majority of the scenes and characters are parodies of Star Wars, although it parodies other movies as well... Some critics pointed out that since timing is the essence of comedy it was odd that Brooks should have waited ten years to spoof Star Wars, though his supporters say that he wanted to wait until the entire trilogy was available for mocking.

In September 2004, a sequel to Spaceballs was announced in an interview with Mel Brooks. Brooks said he hoped to have the sequel come out some time around the theatrical release of Star Wars Episode III: Revenge of the Sith. It was later planned to be turned into an animated television show, though except for that announcement there has been no news regarding the sequel since then.