US President Joe Biden met Queen Elizabeth II for tea at Windsor Castle in London.
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NASA's spacecraft, The Pioneer 10, became the first craft to exit the solar system.
The first large-scale exhibition of Frida Kahlo's works was displayed in Mexico.
Paul McCartney's single 'Waterfalls' was released.
President Kim Dae-jung of South Korea met North Korea's Kim Jong-il for the first inter-Korea summit.
Queen Elizabeth II was shot with six blank rounds by a youth.