on January 15, 1974...

    the first happy days show was seen on tv. - k.s.
    Gerald Ford eats a gerbil. - e.w.
    six flags opens an amusement park in Valencia, CA. - c.u.
    Krishna Benwa invents kegel 2000 happy fun ball. - a.i.
    Velveta invented by accident at Dow Corning. - j.w.