The Wizard of Oz was shown at The Chicago Grand Opera House for the first time.
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Cosmonaut Valentina Tereshkova became the first woman in space.
Ghostbusters II was released in 2,410 movie theaters across the US.
The longest papal reign began when Pope Pius IX was elected.
The state of California began issuing marriage licenses to same-sex couples.
Washington National Airport became the US first federal airport.
