This day in history, 1961: TWA becomes the first airline to offer in-flight movies.

via wired.com

"...But after three years of development and $1 million of his own money, Flexer’s team developed a horizontal design that projected large 16mm reels, weighed less than 100 pounds and was sky-ready. Flexer’s new company, Inflight Motion Pictures, then went looking for an in-flight partner...."

http://www.wired.com/thisdayintech/2011/07/0719twa-inflight-movies/