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What happened today (June 5) in history? Key events to look back on

From World Environment Day to the dawn of personal computing, June 5 brings together moments that transformed society, technology and global awareness.

By Pritha Chakraborty

Jun 05, 2026 08:01 IST

Some dates bring together events that shaped global awareness, military history and scientific achievement. June 5 is best known for its focus on the environment, but it also marks significant moments that influenced nations and the modern world. Here is a look at five notable events tied to this day.

World Environment Day observed worldwide

World Environment Day is celebrated every year on June 5 to encourage action for environmental protection. Led by the United Nations Environment Programme, it has become one of the world's largest environmental awareness campaigns.

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Six-Day War begins in the Middle East (1967)

On June 5, 1967, the Six-Day War began when Israel launched air strikes against Egypt. The conflict quickly expanded to involve Jordan and Syria, reshaping the political landscape of the Middle East.

Robert F. Kennedy assassinated (1968)

On this day in 1968, US Senator Robert F. Kennedy was shot at the Ambassador Hotel in Los Angeles shortly after winning the California Democratic presidential primary. He died the following day, and his assassination shocked the United States.

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Hot-air balloon pioneers Montgolfier brothers demonstrate flight (1783)

On June 5, 1783, Joseph-Michel Montgolfier and Jacques-Étienne Montgolfier publicly demonstrated their hot-air balloon in France. The achievement marked a major milestone in the history of aviation.

Apple II unveiled at West Coast Computer Faire (1977)

On June 5, 1977, Apple Inc. introduced the Apple II, one of the first highly successful mass-produced personal computers. The launch played a crucial role in the growth of the personal computing industry.

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