"Gangnam Style" is a 2012 single by this Korean singer.
"Gangnam Style" became a global viral phenomenon upon its release. The music video became the first YouTube video to reach 1 billion views.
Who was the first U.S. president born in the 20th century?
JFK was born in Brookline, Massachusetts on May 29, 1917.
What former chairman of the Nasdaq stock exchange was convicted in 2009 of masterminding a $65 billion Ponzi scheme?
Despite a decade of warnings from professional investors who suspected Madoff was committing fraud, the SEC never discovered Madoff's Ponzi. He was only caught once his scheme had collapsed in the wake of the Great Recession of 2007-9.
Name the confederacy of Greek city-states that was led by Athens during the events of the Peloponnesian War.
After 27 years of warfare Athens would be besieged in 404 BC, forcing it to surrender. Its league allies followed suit shortly thereafter.
The Gamma-ray Large Area Space Telescope (GLAST) was launched in June 2008, but the space observatory was later renamed to honor this pioneering physicist.
The Fermi Gamma-ray Space Telescope (FGST) studies astrophysical and cosmological phenomena such as active galactic nuclei, pulsars, dark matter, gamma-ray bursts and solar flares.
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