Lady Gaga signed a Las Vegas residency deal for $75 million at MGM Park Theatre.
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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 first spacewalk was made by the Soviet cosmonaut Georgy Grechko during Salyut 6 EO-1 mission.
Pope John Paul II established World Youth Day, an event for young Christians around the world.
US President Barack Obama received a vaccine jab against the swine flu.
Gangs of New York, starring Leonardo DiCaprio, Daniel Day-Lewis, and Cameron Diaz, was released.