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What happened today (May 30) in history? Key events to look back on

From Joan of Arc’s execution to the founding of the European Space Agency, May 30 brings together moments that shaped history, innovation and remembrance.

By Pritha Chakraborty

May 30, 2026 12:30 IST

Some dates bring together moments that transformed technology, shaped national memory and influenced the course of history. May 30 reflects events ranging from groundbreaking inventions to significant political and cultural milestones. Here is a look at five notable events tied to this day.

Joan of Arc executed (1431)

On May 30, 1431, Joan of Arc was executed in Rouen, France, after being convicted of heresy. She later became a national heroine of France and was canonised as a saint by the Catholic Church.

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Memorial Day observed in the United States

Memorial Day is observed in the United States to honour military personnel who died in service. While the holiday now falls on the last Monday of May, it was originally observed on May 30 following its establishment as Decoration Day in 1868.

First Indianapolis 500 race held (1911)

On May 30, 1911, the inaugural Indianapolis 500 was held at the Indianapolis Motor Speedway. The race went on to become one of the most famous motorsport events in the world.

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Voltaire dies (1778)

French Enlightenment writer and philosopher Voltaire died on May 30, 1778. His writings on freedom of speech, religion and civil liberties had a profound influence on Western thought.

European Space Agency founded (1975)

On May 30, 1975, the European Space Agency was established to coordinate space exploration efforts among European nations. The agency has since played a major role in scientific research and space missions.

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