KES6216174: Demonstrators in front of the federal parliament in Bern demand that the state government stop the Vietnam war, recorded on December 26, 1966 (b/w photo) / Bridgeman Images

KES6216178: A group of Czechoslovak students started a three-day hunger strike on 31 January 1969 under the Zwingli monument in Zurich, Switzerland, in solidarity with the rebellious Prague students and in memory of Jan Palach (b/w photo) / Bridgeman Images

KES6216181: Pacifists demonstrate in Bern for peace on earth and demand that the national government stop in Vietnam was, recorded on 26 December 1966 (b/w photo) / Bridgeman Images

KES6216196: A demonstration against the Spanish Franco dictatorship in front of the SBG building on Paradeplatz in Zurich, recorded on 8 February 1969 (b/w photo) / Bridgeman Images

KES6216200: Smudged shop windows of the Soviet Bank at Beatenplatz in Zurich in protest against the invasion of Czechoslovakia by the troops of the Warsaw Pact, taken on 26 August 1968 (b/w photo) / Bridgeman Images

KES6216202: On the evening of 27 February 1969, students in Geneva occupied the Rectorate of the University of Geneva and called for a voice and democratization of education, which began on 28 February 1969 (b/w photo) / Bridgeman Images

KES6216213: Switzerland, The Middle East Conflict Demonstration (b/w photo) / Bridgeman Images

KES6216214: A group of conscientious objectors demonstrate with banners at the Bellevue pier in Zurich and are then carried away and arrested by the police, recorded on 3 August 1964 (b/w photo) / Bridgeman Images

KES6216217: Switzerland, The Middle East Conflict Demonstration (b/w photo) / Bridgeman Images

KES6216219: Switzerland, Zurich Globe Riot (b/w photo) / Bridgeman Images

KES6216222: Sociology students from Bern strike and occupy the library of the university, recorded on July 9, 1970 (b/w photo) / Bridgeman Images

KES6217029: On April 16, 1977, police officers sealed off the access roads to Moutier in the canton of Berne with a large police force. Despite the ban of the Bernese government, there are still demonstrations by legal separatists. Here at Moutier railway station, a protester is being taken away by the police (b/w photo) / Bridgeman Images

KES6217031: Switzerland, Jura Conflict (b/w photo) / Bridgeman Images

KES6217034: The company Denner AG has launched an initiative to set up a Swiss Federal Housing Fund and with a caravan the collected signatures are brought to the Federal Chancellery in Berne, Switzerland, on 4 February 1971 (b/w photo) / Bridgeman Images

KES6217043: Dumpster, Ochsnerkuebel and garbage bags in Zurich, taken on 27 May 1971 (b/w photo) / Bridgeman Images

KES6217044: An assembled waste bin in Zurich, taken on 27 May 1971 (b/w photo) / Bridgeman Images

KES6217045: The construction site of the motorway connection of the N3 in the Brunau in Zurich, the Sihlhochstrasse, taken on 20 August 1969 (b/w photo) / Bridgeman Images

KES6217047: The Restaurant Nordbruecke at the station Wipkingen at Roeschibachplatz in Zurich, taken in 1949 (b/w photo) / Bridgeman Images

KES6217049: The Restaurant Nordbruecke at the station Wipkingen at Roeschibachplatz in Zurich, taken in 1949 (b/w photo) / Bridgeman Images

KES6217050: The Restaurant Nordbruecke at the station Wipkingen at Roeschibachplatz in Zurich, taken in 1949 (b/w photo) / Bridgeman Images

KES6217062: The vegetarian restaurant Hiltl in Zurich, taken in October 1978 (b/w photo) / Bridgeman Images

KES6217066: The Roman Catholic parish church Heart of Jesus in Uster, Canton Zurich, taken immediately before its demolition on 23 August 1963 (b/w photo) / Bridgeman Images

KES6217072: Portrait of State Councillor Fritz Honegger, taken in 1976 in Bern (b/w photo) / Bridgeman Images

KES6217074: From left to right: Ambassador Paul Jolles, Federal Councillor Fritz Honegger and Ambassador Arthur Dunkel at the press conference on the Tokyo Round of the General Agreement on Tariffs and Trade, GATT, in Bern, recorded on 15 October 1979 (b/w photo) / Bridgeman Images

KES6217076: Federal Councillor Fritz Honegger speaks at the spring session of the National Council in Bern, recorded on 18 March 1980 (b/w photo) / Bridgeman Images

KES6217077: The newly elected Federal Councillor Fritz Honegger declares before the Federal Assembly in Bern that he accepts the election, which took place on 7 December 1977 (b/w photo) / Bridgeman Images

KES6217082: The newly elected Federal Councillor Fritz Honegger in the Federal Assembly in Bern, admitted on 7 December 1977 (b/w photo) / Bridgeman Images

KES6217086: Federal Councillor Fritz Honegger, 2nd from right, at the Congress of the Swiss Confederation of Trade Unions, admitted in 1979 (b/w photo) / Bridgeman Images

KES6217088: The outgoing Federal Councillor and Economics Minister Ernst Brugger, right, receives his successor Federal Councillor Fritz Honegger, left, in his office in Bern, taken on 31 January 1978 (b/w photo) / Bridgeman Images

KES6217096: Freshly married, Erwin Andreas Jaeckel, tenor at the Stadttheater Basel, teaches his wife, the opera singer Grace Bumbry, how to swim. Recorded in 1963 in Lugano (b/w photo) / Bridgeman Images

KES6217097: Switzerland, Music Grace Bumbry (b/w photo) / Bridgeman Images

KES6217098: The opera singer Grace Bumbry, recorded in 1963 after a swim in the swimming pool. She donates her honeymoon with her husband Erwin Andreas Jaeckel, tenor at the Stadttheater Basel, in Lugano, where they also take up permanent residence (b/w photo) / Bridgeman Images

KES6217102: Freshly married, Erwin Andreas Jaeckel, tenor at the Stadttheater Basel, teaches his wife, the opera singer Grace Bumbry, how to swim. Recorded in 1963 in Lugano (b/w photo) / Bridgeman Images

KES6217108: Opera singer Grace Bumbry in the leading female role in Saint-Saens' “Samson and Dalila”. Recorded during the dress rehearsal at the Stadttheater Basel on 28 December 1961 (b/w photo) / Bridgeman Images

KES6217120: The opera singer Grace Bumbry and the opera singer Erwin Andreas Jaeckel marry civil on July 5, 1963 at the registry office in Castagnola (b/w photo) / Bridgeman Images

KES6217123: The opera singer Grace Bumbry and the opera singer Erwin Andreas Jaeckel marry civil on July 5, 1963 at the registry office in Castagnola (b/w photo) / Bridgeman Images