Since when has the company which acquired Walkers in 1989 been owned by PepsiCo
Walkers (snack foods): Walkers is a British snack food manufacturer mainly operating in the United Kingdom and Ireland. Walkers (snack foods):  Walkers was founded in 1948 in Leicester, England by Henry Walker, and acquired by Lay's owner, Frito-Lay, a division of PepsiCo, in 1989. Lay's: Lay's is the brand name for a number of potato chip varieties as well as the name of the company that founded the chip brand in the U.S. in 1932. Lay's:  Lay's has been owned by PepsiCo since 1965.
1965