14 February 1751

An lone gunman shot and killed seventeen people and injured seventeen others in a mass shooting at Marjory Stoneman Douglas High School in Parkland, Florida.

Arab Spring: On the Day of Rage, Bahraini youths began an uprising against the government in 55 marches across 25 locations.

A gunman opened fire into a crowded lecture hall at Northern Illinois University in DeKalb, killing five people and injuring twenty-one others.

The online video platform YouTube was founded by Steve Chen, Chad Hurley, and Jawed Karim.

Sri Temasek (pictured), the official residence of the prime minister of Singapore, was declared a national monument.

Indian Airlines Flight 605 crashed near Hindustan Airport during its approach to the airport, which resulted in 92 out of the 146 people on board being killed.

The NASA space probe Voyager 1 took Pale Blue Dot (detail pictured), a photograph of Earth from a record distance of 40.5 astronomical units (6.06 billion km; 3.76 billion mi).

Ayatollah Ruhollah Khomeini of Iran issued a fatwa calling for the death of Salman Rushdie, the author of The Satanic Verses, a novel considered to be blasphemous by some Muslims.

Adolph Dubs, United States Ambassador to Afghanistan, was kidnapped by unknown agents and killed during a gun battle between Afghan police and the perpetrators.

World War II: General Hans-Jürgen von Arnim's 5th Panzer Army launched a concerted attack against Allied positions in Tunisia.

The Singapore Naval Base, the cornerstone of the Singapore strategy, a British naval defence policy, was opened.

The Computing-Tabulating-Recording Company was renamed as International Business Machines (IBM), later growing into one of the world's largest companies by market capitalization.

The Battle of Bereza Kartuska, the first serious armed conflict of the Polish–Soviet War, took place near present-day Biaroza, Belarus.

World War I: Britain, France and Russia made the Declaration of Sainte-Adresse, stating that they would refuse to sign any peace treaty with the Central Powers that failed to ensure the political and economic independence of Belgium.

The animated film Gertie the Dinosaur was released, later greatly influencing future animators such as the Fleischer brothers and Walt Disney.

Oscar Wilde's The Importance of Being Earnest (production pictured), once described as the second-most quoted English-language play after Hamlet, premiered in London.

The Hospital for Sick Children, the first hospital in England to provide in-patient beds specifically for children, was founded in London.

Serb chieftains elected Đorđe Petrović as their leader and began an uprising against the Ottoman Empire.

Native Hawaiians killed the English explorer Captain James Cook as he attempted to kidnap Kalaniʻōpuʻu, the ruling chief of the island of Hawaii.

American Revolutionary War: At the Battle of Kettle Creek, a militia of Patriots decisively defeated and scattered a Loyalist militia that was on its way to British-controlled Augusta, Georgia.

Arauco War: The Mapuche carried out a series of coordinated attacks against Spanish settlements and forts in colonial Chile, beginning a ten-year period of warfare.

At least 22 people are killed in an attack on a village in Northwest Region, Cameroon.

Jacob Zuma resigns as President of South Africa.

A shooting at Marjory Stoneman Douglas High School in Parkland, Florida is one of the deadliest school massacres with 17 fatalities and 17 injuries.