Operation Tannenbaum Operation Tannenbaum Operation "Tannenbaum ("Fir Tree"), known earlier as Operation "Grün ("Green"), was a planned but cancelled invasion of Switzerland by Nazi Germany and Italy during World War II. For tactical reasons, Adolf Hitler made repeated assurances before the outbreak of the Second World War that Germany would respect Swiss neutrality in the event of a military conflict in Europe. In February 1937, he announced that "at all times, whatever happens, we will respect the inviolability and neutrality of Switzerland" to the Swiss federal councillor Edmund Schulthess, reiterating this promise shortly before the Nazi invasion of Poland. These were, however,
A Flintstone Christmas and thus, Christmas, but complimenting Corden, who became Fred's regular voice. In his DVD Talk review, Paul Mavis called the special "a rather sweet effort" and the songs "quite cute." William D. Crump, author of "The Christmas Encyclopedia", assessed the special as "virtually a remake" of "Christmas Flintstone." Matt Bungard, writing for "The Sydney Morning Herald", placed it in the top 10 Christmas specials, calling the plot simple but "staple Christmas viewing." A Flintstone Christmas A Flintstone Christmas is a 1977 animated Christmas television special featuring characters from "The Flintstones" franchise. It was produced by Hanna-Barbera and is the second