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,
Weihnachtsbaum (Liszt) Fürstner, Berlin. No. 2, "O heilige Nacht!", was revised in 1881 for tenor solo, female chorus and organ or harmonium (S. 49). The solo piano version of No. 7. "Schlummerlied". was revised 1879-81 (S. 186/7a) and this was published by Schirmer, New York, in 1950. The manuscript came into the possession of Liszt's American student Carl Lachmund (1857-1928); it was discovered among a sheaf of assorted papers given to him by Liszt's valet. Lachmund was not aware that it belonged to "Weihnachtsbaum" specifically; he says in the foreword: "The Roman VII over the title would indicate that the piece might