1965 – Calouste Gulbenkian Planetarium, Lisbon, Portugal
Architect: Frederico George
The idea of building a Planetarium in Lisbon arose from the fascination and enthusiasm for astronomy of an officer of the Portuguese Navy,
1968 – Armagh Planetarium, Co. Armagh
Architect: G. Phillip Bell
Armagh Planetarium was first proposed in 1943 and the Armagh observatory team worked towards its realisation for over two decades.
1968 – H.R. MacMillan Planetarium, Vancouver, British Columbia
Architect: Gerald Hamilton & Associates
Originally built as the Centennial Museum,
