Pope John Paul II established World Youth Day, an event for young Christians around the world.
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Gangs of New York, starring Leonardo DiCaprio, Daniel Day-Lewis, and Cameron Diaz, was released.
US President Barack Obama received a vaccine jab against the swine flu.
The last Australian troops were evacuated from Gallipoli during World War I.
Pablo Picasso's 'Portrait of Suzanne Bloch' was stolen from the São Paulo Museum of Art, along with O Lavrador de Café by Candido Portinari.
The Zodiac Killer claimed two more victims.
