The bones of the Castelnau giant were studied at the University of Montpellier and examined by M. Sabatier, professor of Zoology, at the University of Montpellier, and M. Delage, professor of paleontology at the University of Montpellier, in addition to other anatomists.
The Shamrock Shake was first introduced in 1970. Rogers Merchandising in Chicago created the shake. Initially, the shake was lemon/lime flavored with vanilla ice cream, lemon/lime sherbet, and vanilla syrup. By 1973, the shake was merely a green colored vanilla shake, eliminating the lemon/lime sherbet.
No! After 8:00 PM you can enjoy 50% discounts on all shakes during âlate night happy hourâ. Sonic Opening Hours: 6:00 AM â 10:00 PM. Please be aware that Sonic is a franchise so opening hours may differ across the country. Between 2:00 PM â 4:00 pm you can buy drinks, Teas and Slushes with a 50% discount.