4-6 Sept. 1950 [Federal Council]
15-16 Aug. 1949 [Federal Council]
27 - 29 Sept. 1948 [Federal Council]
1-4 Sept. 1947 [Federal Council]
29 Oct. 1946 [Federal Council]
6-8 May 1946 [Federal Council]
![4-6 Sept. 1950 [Federal Council]](/img/placeholder.gif?1773707079 "4-6 Sept. 1950 [Federal Council]")