March 14 in world history: From Pi Day celebrations to the birth of Albert Einstein

Throughout history, March 14 has been associated with several notable developments in science, politics, law, and global culture. The date is widely recognized as the birthday of Albert Einstein.

March 14 is also celebrated as Pi Day, honoring the mathematical constant Pi, which represents the ratio of a circle’s circumference to its diameter. The celebration began in 1988 at San Francisco’s Exploratorium and is now marked worldwide through educational activities, math competitions, and the popular tradition of eating pie.

In 1794, American inventor Eli Whitney received a US patent for the cotton gin, a machine that efficiently separated cotton fibers from their seeds. The invention dramatically increased cotton production and transformed the agricultural economy of the southern United States. However, the surge in cotton demand also strengthened the plantation system and contributed to the expansion of slavery in the region.


In 1879, physicist Albert Einstein was born in Ulm, Germany. Einstein later developed the Theory of Relativity, which fundamentally changed the understanding of space, time, and gravity. His work, including the famous equation E = mc², made him one of the most influential scientists in history. He earned the Nobel Prize in Physics in 1921.

In 1942, doctors successfully used Penicillin to treat a patient suffering from a severe infection, demonstrating the life-saving potential of antibiotics. The successful treatment marked a major step in modern medicine and helped launch the antibiotic era, dramatically reducing deaths from bacterial infections worldwide.

In 1950, the Federal Bureau of Investigation introduced the FBI Ten Most Wanted Fugitives list to help track and capture dangerous criminals. Created to enlist the public’s help in locating fugitives, the list quickly became one of the most widely recognized crime-fighting tools and has led to the capture of hundreds of suspects over the decades.

In 1964, nightclub owner Jack Ruby was convicted of murdering Lee Harvey Oswald, the accused assassin of John F. Kennedy. Ruby had shot Oswald on live television two days after the president’s assassination in 1963. Although Ruby was sentenced to death, his conviction was later overturned on appeal before he died in prison in 1967.

In 1990, Mikhail Gorbachev was elected the first executive president of the Soviet Union by the Congress of People’s Deputies. Gorbachev had already introduced major reforms known as Glasnost and Perestroika, which aimed to modernize the country but also contributed to political upheaval that eventually led to the Soviet Union’s dissolution in 1991.

In 1991, the Birmingham Six: six Irish men convicted of the 1974 Birmingham pub bombings, were released after their convictions were overturned by a British court. The case became one of the most significant miscarriages of justice in UK history and prompted major reforms in police investigation methods and the criminal justice system.