A gunman killed 38 people in a daycare center in Thailand.
Protestors took to the streets in Hong Kong after the government announced a ban on face masks.
Pope Benedict XVI's butler, Paolo Gabriele, was convicted and jailed for 18 months for leaking confidential documents.
Instagram was launched and gained 25,000 users on its first day.
First successful human powered attempt to circumnavigate the world.
The 51 Pegasi b planet was discovered. It was the first discovered exoplanet around a sun-like star.
The president of Egypt is assassinated.
Pope John Paul II became the first pope to visit the White House in Washington, D.C.
The drama romance film 'Days of Heaven' by Terrence Malick was released.
The American epic historical drama movie 'Spartacus' premiered in New York City.
Dr. Albert Sabin announced his oral vaccine against polio was ready to test.
'The Jazz Singer' was released. It was the first motion picture with pre-recorded dialogue, revolutionizing the movie industry.
Austria‑Hungary annexes Bosnia‑Herzegovina.
The largest music fraternity in the USA, Phi Mu Alpha Sinfonia, was founded.
The Moulin Rouge cabaret opened its doors in Paris for the first time.
The first American Chess Congress started in New York.
Thirteen Mennonite families arrived in Philadelphia from Germany.
Euridice, the oldest-surviving opera, premiered in Florence, Italy.
