![Canadian Prime Minister Pierre Elliott Trudeau carries the country's future Prime Minister Justin Trudeau under his arm. Ottawa, 1973 : r/RareHistoricalPhotos Canadian Prime Minister Pierre Elliott Trudeau carries the country's future Prime Minister Justin Trudeau under his arm. Ottawa, 1973 : r/RareHistoricalPhotos](https://i.redd.it/lfi8fbqh51gc1.jpeg)
Canadian Prime Minister Pierre Elliott Trudeau carries the country's future Prime Minister Justin Trudeau under his arm. Ottawa, 1973 : r/RareHistoricalPhotos
![Jul. 07, 1973 - Portugal's Prime Minister Calls On Mr. Heath: Dr. Marcello Caetano, the Portuguese Prime Minister, who arrived in London at the start of a four day visit, this afternoon Jul. 07, 1973 - Portugal's Prime Minister Calls On Mr. Heath: Dr. Marcello Caetano, the Portuguese Prime Minister, who arrived in London at the start of a four day visit, this afternoon](https://c8.alamy.com/comp/E10N8A/jul-07-1973-portugals-prime-minister-calls-on-mr-heath-dr-marcello-E10N8A.jpg)
Jul. 07, 1973 - Portugal's Prime Minister Calls On Mr. Heath: Dr. Marcello Caetano, the Portuguese Prime Minister, who arrived in London at the start of a four day visit, this afternoon
![Time Capsule Tales on X: "On 20 December, 1973, Spanish Prime Minister Luis Carrero Blanco was assassinated in Madrid. Basque separatists ETA had spent five months digging a tunnel under a road Time Capsule Tales on X: "On 20 December, 1973, Spanish Prime Minister Luis Carrero Blanco was assassinated in Madrid. Basque separatists ETA had spent five months digging a tunnel under a road](https://pbs.twimg.com/media/GBULxg8W4AAQnen.jpg)
Time Capsule Tales on X: "On 20 December, 1973, Spanish Prime Minister Luis Carrero Blanco was assassinated in Madrid. Basque separatists ETA had spent five months digging a tunnel under a road
![Britain's Prime Minister Edward Heath, right, with former Prime Ministers Anthony Eden, now Lord Avon, left, and Harold Macmillan, center, at the Savoy Hotel in London, England on Dec. 5, 1973. They Britain's Prime Minister Edward Heath, right, with former Prime Ministers Anthony Eden, now Lord Avon, left, and Harold Macmillan, center, at the Savoy Hotel in London, England on Dec. 5, 1973. They](https://l450v.alamy.com/450v/e10pb7/nov-11-1973-prime-minister-heath-meets-egyptian-special-envoy-britains-e10pb7.jpg)
Britain's Prime Minister Edward Heath, right, with former Prime Ministers Anthony Eden, now Lord Avon, left, and Harold Macmillan, center, at the Savoy Hotel in London, England on Dec. 5, 1973. They
![Prime Minister Den Uyl receives European Commission President Francois Xavier Ortoli (left) at Catshuis, October 22, 1973, receptions, prime ministers, presidents, The Netherlands, 20th century press agency photo, news to remember, documentary, Prime Minister Den Uyl receives European Commission President Francois Xavier Ortoli (left) at Catshuis, October 22, 1973, receptions, prime ministers, presidents, The Netherlands, 20th century press agency photo, news to remember, documentary,](https://c8.alamy.com/comp/2FX48F5/prime-minister-den-uyl-receives-european-commission-president-francois-xavier-ortoli-left-at-catshuis-october-22-1973-receptions-prime-ministers-presidents-the-netherlands-20th-century-press-agency-photo-news-to-remember-documentary-historic-photography-1945-1990-visual-stories-human-history-of-the-twentieth-century-capturing-moments-in-time-2FX48F5.jpg)