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| YEAR | DATE | EVENT | HEAD OF STATE |
| 1901 | 1 january | Ernesto Brenner (BS) | |
| 1902 | 1 january | Giuseppe Zemp (LU) (II) | |
| 1903 | 1 january | Adolfo Deuche (TG) (III) | |
| 1904 | 1 january | Roberto Comtesse (NE) | |
| 1905 | 1 january | Marco E. Ruchet (VD) | |
| 1906 | 1 january | L. Forrer (ZH) | |
| 1907 | 1 january | Edoardo Muller (BE) (II) | |
| 1908 | 1 january | Ernesto Brenner (BS) (II) | |
| 1909 | 1 january | Adolfo Deucher (TG) (IV) | |
| 1910 | 1 january | Roberto Comtesse (NE) (II) | |
| 1911 | 1 january | Marco E. Ruchet (VD) (II) | |
| 1912 | 1 january | L. Forrer (ZH) (II) | |
| 1913 | 1 january | Edoardo Muller (BE) (III) | |
| 1914 | 1 january | Arturo Hoffmann | |
| 1915 | 1 january | Giuseppe Motta (TI) | |
| 1916 | 1 january | Camillo Decopet (VD) | |
| 1917 | 1 january | Edmund Schulthess (AG) | |
| 1918 | 1 january | Emilio Ador (GE) | |
| 1919 | 1 january | Gustavo Adler (GE) | |
| 1920 | 1 january | Giuseppe Motta (TI) (II) | |
| 1921 | 1 january | Edmund Schulthess (AG) (II) | |
| 1922 | 1 january | R. Habb (ZH) | |
| 1923 | 1 january | Carlo Scheurer (BE) | |
| 1924 | 1 january | E. Chuard (VD) | |
| 1925 | 1 january | Jean Marie Musy (FR) | |
| 1926 | 1 january | Heinrich Haeberlin (TG) | |
| 1927 | 1 january | Giuseppe Motta (TI) (III) | |
| 1928 | 1 january | Edmund Schulthess (AG) (II) | |
| 1929 | 1 january | R. Habb (ZH) (II) | |
| 1930 | 1 january | Jean Marie Musy (FR) (II) | |
| 1931 | 1 january | Heinrich Haeberlin (TG) (II) | |
| 1932 | 1 january | Giuseppe Motta (TI) (IV) | |
| 1933 | 1 january | Edmund Schulthess (AG) (IV) | |
| 1934 | 1 january | Marcel Pilet-Golaz (VD) | |
| 1935 | 1 january | Rudolf Minger (BE) | |
| 1936 | 1 january | Albert Meyer (ZH) | |
| 1937 | 1 january | Giuseppe Motta (TI) (V) | |
| 1938 | 1 january | Johannes Baumann (AZ) | |
| 1939 | 1 january | Philipp Etter (ZU) | |
| 1940 | 1 january | Marcel Pilet-Golaz (VD) (II) | |
| 1941 | 1 january | Ernest Wetter (ZH) | |
| 1942 | 1 january | Philipp Etter (ZU) (II) | |
| 1943 | 1 january | Enrico Celio (TI) | |
| 1944 | 1 january | Walter Stampfli (SO) | |
| 1945 | 1 january | Eduard von Steiger (BE) | |
| 1946 | 1 january | Karl Kobelt (SG) | |
| 1947 | 1 january | Philipp Etter (ZG) (III) | |
| 1948 | 1 january | Enrico Celio (TI) (II) | |
| 1949 | 1 january | Ernest Nobs (ZH) | |
| 1950 | 1 january | Max Petitpierre (NE) (I) | |
| 1951 | 1 january | Eduard von Steiger (BE) (II) | |
| 1952 | 1 january | Karl Kobelt (SG) (II) | |
| 1953 | 1 january | Philipp Etter (ZG) (IV) | |
| 1954 | 1 january | Rudoplhe Rubattel (VD) | |
| 1955 | 1 january | Max Petitpierre (NE) (II) | |
| 1956 | 1 january | Markus Feldmann (BE) | |
| 1957 | 1 january | Hans Streuli (ZH) | |
| 1958 | 1 january | Thomas Holenstein (SG) | |
| 1959 | 1 january | Paul Chaudet (VD) | |
| 1960 | 1 january | Max Petitpierre (NE) (III) | |
| 1961 | 1 january | Friederich Wahlen (BE) | |
| 1962 | 1 january | Paul Chaudet (VD) (II) | |
| 1963 | 1 january | Willy Spuhler (ZH) | |
| 1964 | 1 january | Ludwig von Moos (OB) | |
| 1965 | 1 january | Hans Peter Tschudi (BS) | |
| 1966 | 1 january | Hans Schaffner (AG) | |
| 1967 | 1 january | Roger Bonvin (VS) | |
| 1968 | 1 january | Willy Spuhler (ZH) (II) | |
| 1969 | 1 january | Ludwig vom Moos (OB) (II) | |
| 1970 | 1 january | Hans Peter Tschudi (BS) (II) | |
| 1971 | 1 january | Rudolf Gnagi (BE) | |
| 1972 | 1 january | Nello Celio (TI) | |
| 1973 | 1 january | Roger Bonvin (VS) (II) | |
| 1974 | 1 january | Ernest Brugger (TI) | |
| 1975 | 1 january | Pierre Graber (NE) | |
| 1976 | 1 january | Rudolf Gnagi (BE) (II) | |
| 1977 | 1 january | Kurt Furgler (SG) | |
| 1978 | 1 january | Willi Ritschard (BE) | |
| 1979 | 1 january | HAns Hurlimann (ZG) | |
| 1980 | 1 january | Georges-Andre' Chevallaz (VD) | |
| 1981 | 1 january | Kurt Furlger (SG) (II) | |
| 1982 | 1 january | Fritz Honegger (ZH) | |
| 1983 | 1 january | Pierre Aubert (NE) | |
| 1984 | 1 january | Leon Schlumpf (GR) | |
| 1985 | 1 january | Kurt Furgler (SG) (III) | |
| 1986 | 1 january | Alphons Egli (LU) | |
| 1987 | 1 january | Pierre Aubert (NE) (II) | |
| 1988 | 1 january | Otto Stich (SO) (I) | |
| 1989 | 1 january | Jean Pascal Delamuraz (VD)(I) | |
| 1990 | 1 january | Arnold Koller (AI) (I) | |
| 1991 | 1 january | Flavio Cotti (TI) (I) | |
| 1992 | 1 january | Rene' Felber (NE) | |
| 1993 | 1 january | Adolf Ogi (BE) (I) | |
| 1994 | 1 january | Otto Stich (SO) (II) | |
| 1995 | 1 january | Kaspar Villiger (LU) (I) | |
| 1996 | 1 january | Jean Pascal Delamuraz (VD)(II) | |
| 1997 | 1 january | Arnold Koller (AI) (II) | |
| 1998 | 1 january | Flavio Cotti (TI) (II) | |
| 1999 | 1 january | Ruth Dreyfuss (GE) | |
| 2000 | 1 january | Adolf Ogi (BE) (II) |