Edwin Armstrong invented FM radio in 1933. The first men to use FM radio to communicate with Earth from the moon's surface were named Edwin Aldrin and Neil Armstrong.

Orville Wright, a pilot, was involved in the first aircraft accident. His passenger, a Frenchman, was killed.

The biggest religious building in the world is a Hindu Temple, Angkor Wat, located in Cambodia. It was built at the end of the 11th century.

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