The Igrejinha de Nossa Senhora de Fátima was the first church to be built in the modernist Brazilian capital of Brasília.
It was inaugurated on 28 Jun 1958. Joaquim Cardoso was the engineer who converted Oscar Niemeyer's design into a physical building.
And the name in English ... The Little Church of Our Lady of Fátima.
Igrejinha de Nossa Senhora de Fátima website