looks like 1961
![](https://carlanthonyonline.com/wp-content/uploads/2012/12/the-kennedys-in-front-of-the-nutcracker-suite-theme-tree-1961-marking-the-first-ladys-interest-in-ballet.jpg)
The Kennedys in front of the Nutcracker Suite theme tree, 1961, marking the First Lady’s interest in ballet.
from here:
https://carlanthonyonline.com/2012/12/06/christmas-at-the-white-house-trees-gingerbread-houses-mennorahs-celebrity-santas-other-innovations-part-2/