December 20th is known as Games Day and Sangria Day.
Lady Gaga signed a Las Vegas residency deal for $75 million at MGM Park Theatre.
US President Barack Obama received a vaccine jab against the swine flu.
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.
Gangs of New York, starring Leonardo DiCaprio, Daniel Day-Lewis, and Cameron Diaz, was released.
The horror film classic 'Scream,' starring Neve Campbell and Courteney Cox, was released.
A Palestinian couple was convicted of first-degree murder for the honor killing on their daughter.
Pope John Paul II established World Youth Day, an event for young Christians around the world.
The first spacewalk was made by the Soviet cosmonaut Georgy Grechko during Salyut 6 EO-1 mission.
The Zodiac Killer claimed two more victims.
Cardiff was proclaimed the capital of Wales by the UK's Minister for Welsh Affairs.
The Christmas classic directed by Frank Capra, 'It's a Wonderful Life,' premiered in New York.
Adolf Hitler was freed from jail early.
The last Australian troops were evacuated from Gallipoli during World War I.
South Carolina seceded from the United States of America.
