30OCTOBER

ON THIS DAY

What happened on October 30?

October 30 links a famous radio drama with the largest nuclear explosion ever conducted, an iconic boxing match and a major agreement between Canada and the European Union.

4 researched moments · 4 themes · reviewed September 2026

4 moments shown

1938

The War of the Worlds radio drama aired

Orson Welles and the Mercury Theatre broadcast a dramatic adaptation of H. G. Wells’s novel using the style of breaking news reports.

1961

The Soviet Union tested the Tsar Bomba

The Soviet Union detonated the most powerful nuclear weapon ever tested over Novaya Zemlya in the Arctic.

1974

Muhammad Ali defeated George Foreman

Ali regained the world heavyweight boxing title in Kinshasa using a strategy later known as the rope-a-dope.

2016

Canada and the European Union signed CETA

Canadian and European Union leaders signed the Comprehensive Economic and Trade Agreement in Brussels.

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