On This Day in History – May 12: What Happened on May 12?

On this day in history, May 12 is anchored by the birth of Florence Nightingale, the formal establishment of modern nursing, and pivotal moments in both world wars.

What happened on May 12 in history includes the first commercial transatlantic jet service, the surrender of Axis forces in North Africa in 1943, and the establishment of Limerick as a city in Ireland.

Today in history, May 12 also connects to the founding of the Red Cross movement and the first photograph ever transmitted by telegraph. Famous birthdays on May 12 include Florence Nightingale, Katharine Hepburn, and Yogi Berra.

National days on May 12 include International Nurses Day and National Nutty Fudge Day in the U.S.

This day in history, May 12, fun facts reveal a date deeply connected to medicine, mercy, and military turning points.

May 12 on the Calendar

May 12 is the 132nd day of the year in standard years and the 133rd day in leap years. There are 233 days remaining. The zodiac sign is Taurus (April 20 – May 20).

In the Northern Hemisphere, May 12 falls in mid-spring, with average daylight in London reaching approximately 14 hours and 47 minutes, and the blooming of horse chestnut and hawthorn trees typically underway across northern Europe.

Here’s your complete May 12 summary in one table:

Major Historical Events on May 12

May 12 holds particular importance in the history of medicine, warfare, and communications technology. The following 11 events are drawn from four centuries of documented history.

1364 — Kraków University (now Jagiellonian University) is founded in Kraków, Poland, by King Casimir III the Great, making it one of the oldest universities in Central Europe. Its alumni include astronomer Nicolaus Copernicus, who enrolled in 1491.

1780 — Charleston, South Carolina, surrenders to British forces under General Sir Henry Clinton after a 42-day siege during the American Revolutionary War. The fall of Charleston represents the greatest American military defeat until the fall of Bataan in 1942, with over 5,000 Continental troops captured.

1820 — Florence Nightingale is born in Florence, Italy, to a wealthy British family. She is named after her birthplace. Her work during the Crimean War (1853–1856), where she reduced mortality rates at Scutari hospital from approximately 42% to 2% through sanitation reforms, founded the modern profession of nursing.

1870 — Manitoba becomes the fifth province of Canada following the passage of the Manitoba Act by the Canadian Parliament. Its capital, Winnipeg, sits at the junction of the Red and Assiniboine rivers, a trading post site used by Indigenous peoples for centuries.

1926 — The Italian airship Norge, piloted by Umberto Nobile and including Norwegian explorer Roald Amundsen, crosses the North Pole in the first verified aerial crossing of the polar region. This occurred only days after Richard Byrd’s disputed claim on May 9.

1943 — Axis forces in North Africa surrender to Allied commanders, ending the Tunisia Campaign with the capture of approximately 250,000 German and Italian troops. The defeat eliminated the Axis presence in Africa and opened the Mediterranean to Allied shipping, enabling the subsequent invasion of Sicily in July 1943.

1949 — The Soviet Union lifts the Berlin Blockade, which had begun on June 24, 1948 — 11 months earlier. The Western Allies had sustained West Berlin through a continuous airlift delivering an average of 8,000 tons of supplies per day. The airlift totaled 278,000 flights before the blockade ended.

1965 — West Germany and Israel establish formal diplomatic relations, a step fiercely opposed by Arab League nations. West Germany had paid reparations to Israel since 1952 under the Luxembourg Agreement, but full diplomatic recognition was long delayed due to Arab economic pressure.

1982 — Pope John Paul II survives a second assassination attempt at the Sanctuary of Our Lady of Fátima in Portugal when a Spanish priest, Father Juan María Fernández Krohn, wounds him with a bayonet. The Pope suffered minor injuries, and the attacker was arrested immediately.

2002 — Former U.S. President Jimmy Carter arrives in Havana, Cuba, becoming the first U.S. president or former president to visit the island since Calvin Coolidge in 1928. Carter met with Fidel Castro and gave a nationally televised address in Spanish calling for democratic reforms.

2008 — A magnitude 8.0 earthquake strikes Sichuan Province, China, killing approximately 87,000 people and leaving 5 million homeless. The earthquake caused catastrophic damage to schools and government buildings in Beichuan and Dujiangyan, with the quality of construction becoming a significant political controversy in the aftermath.

What’s Happening on May 12, 2026?

International Nurses Day: May 12, 2026, marks the 206th anniversary of Florence Nightingale’s birth and is recognized globally. The International Council of Nurses (ICN) coordinates commemorative events across its 130 member national nursing associations.

Sichuan earthquake 18th anniversary: Memorials are held across China marking the 18th anniversary of the 2008 Sichuan earthquake. Beichuan Old Town, preserved as a disaster memorial site, typically hosts state-organized ceremonies.

World Lupus Day continuation: Awareness programming from World Lupus Day on Sunday, May 10, extends through the week, with the Lupus Foundation of America hosting walk events across U.S. cities.

MLB regular season: Major League Baseball teams play their standard schedule with games across all 15 leagues, with the standings tightening in several divisions as the quarter-season mark approaches.

Famous Birthdays on May 12

Florence Nightingale (1820–1910, British) — Founder of modern nursing who reduced mortality rates at the Scutari military hospital during the Crimean War through systematic sanitation improvements. She established the first secular nursing school at St. Thomas’ Hospital, London, in 1860. Her Notes on Nursing (1859) remains in print.

Katharine Hepburn (1907–2003, American) — Actress who won 4 Academy Awards for Best Actress — more than any other performer in the award’s history. Her films include Morning Glory (1933), Guess Who’s Coming to Dinner (1967), The Lion in Winter (1968), and On Golden Pond (1981).

Yogi Berra (1925–2015, American) — Catcher for the New York Yankees who won 13 World Series rings as a player, coach, and manager — more than any other individual in baseball history. He was inducted into the Baseball Hall of Fame in 1972 and is equally famous for his paradoxical aphorisms, known as “Yogi-isms.”

Emilio Estevez (born 1962, American) — Actor and director best known for his roles in The Breakfast Club (1985) and St. Elmo’s Fire (1985), and for co-writing and directing The Way (2010). He is the son of actor Martin Sheen and kept his father’s original surname rather than adopting a stage name.

Jason Biggs (born 1978, American) — Actor who starred in the American Pie franchise (1999–2012) and the Netflix series Orange Is the New Black (2013–2019). The American Pie franchise collectively grossed over $800 million worldwide.

Gabriel Fauré (1845–1924, French) — Composer and organist whose Requiem in D minor (1888) and Pavane (1887) are among the most performed works in the French Romantic repertoire. He served as director of the Paris Conservatoire from 1905 to 1920 and taught Maurice Ravel.

Kim Fields (born 1969, American) — Actress best known for playing Tootie on The Facts of Life (NBC, 1979–1988) and Regine Hunter on Living Single (Fox, 1993–1998). She became a child star at age 10 and transitioned to directing television episodes later in her career.

Farida Haidari (born 1984, Afghan) — One of Afghanistan’s most prominent female politicians, elected to the Afghan National Assembly in 2010. Her profile represents the generation of Afghan women who entered public life during the 2001–2021 period of relative democratic governance.

Notable Deaths on May 12

Edward Lear (1812–1888, British) — Poet, illustrator, and artist who popularized the limerick form with his Book of Nonsense (1846). His poem “The Owl and the Pussycat” (1871) remains one of the most anthologized nonsense poems in the English language.

Philip V of Spain (1683–1746, Spanish) — First Bourbon king of Spain, whose accession triggered the War of the Spanish Succession (1701–1714). He reigned for 45 years — the longest reign of any Spanish king — though with two separate periods due to a voluntary abdication and return.

August Bebel (1840–1913, German) — Co-founder of the Social Democratic Party of Germany (SPD) in 1869 and one of the most prominent socialist politicians in European history. His book Woman and Socialism (1879), arguing for gender equality and women’s suffrage, went through 50 editions in his lifetime.

Katherine Anne Porter (1890–1980, American) — Short story writer and journalist who won both the Pulitzer Prize and the National Book Award in 1966 for her Collected Stories. Her novella Pale Horse, Pale Rider (1939) is considered a landmark work of American modernist fiction.

Harry Carey Jr. (1921–2012, American) — Character actor who appeared in over 30 films directed by John Ford, including She Wore a Yellow Ribbon (1949) and The Searchers (1956), cementing his status as one of Ford’s stock company of Western performers.

National Days & Holidays on May 12

International Nurses Day (Worldwide): Established by the International Council of Nurses in 1974 and observed annually on Florence Nightingale’s birthday, May 12th. The ICN distributes a themed kit each year to nursing associations globally to guide national celebrations. In 2025, the theme focused on nurse-to-patient staffing ratios and health system sustainability.

National Nutty Fudge Day (U.S.): An informal food observance celebrating fudge made with nuts, typically walnuts or pecans. Fudge as a confection was popularized in American women’s colleges in the 1880s; Vassar College fudge recipes from 1888 are among the earliest documented examples.

National Limerick Day (U.S. and Ireland): Observed on the birthday of Edward Lear (May 12, 1812), who popularized the limerick. Limerick is also a city in Ireland, established by Viking settlers in 812 CE and formally incorporated as an Irish city in 1197.

May 12, 2026, is a Tuesday that features major international professional observances, significant health awareness campaigns, and unique cultural holidays. Most notably, it is International Nurses Day, celebrated globally.

International and Professional Observances

National and Public Holidays

Health and Awareness Days

Fun and Cultural Observances

Religious Observances

May 12, 2026, is a cornerstone for the healthcare community due to International Nurses Day and several major CIND Awareness campaigns.

It also marks a significant religious and national milestone in Georgia with the celebration of St. Andrew.

Fun & Weird Facts About May 12

Florence Nightingale was a pioneer statistician, not just a nurse. She developed the “polar area diagram” — sometimes called the “rose diagram” — to visualize causes of mortality among soldiers at Scutari. Her statistical graphics convinced the British government to fund hospital sanitation reforms. William Farr, Britain’s leading epidemiologist of the era, collaborated with her on the data.

Katharine Hepburn’s record of 4 acting Oscars stood for decades. She won her fourth in 1982 at age 74 — making her the oldest Best Actress winner at the time. She never attended any of the ceremonies to accept her awards, stating that she did not want to “campaign” for Hollywood recognition.

The Berlin Blockade lasted exactly 322 days. From June 24, 1948, to May 12, 1949, Western Allied aircraft flew 278,228 flights into West Berlin, delivering 2.3 million tons of supplies. At its peak, an Allied aircraft landed in West Berlin every 30 seconds. The operation costs approximately $224 million (equivalent to approximately $2.7 billion in 2024 dollars).

Yogi Berra holds a record that most people don’t know about. He played in 14 World Series (10 as a player, 4 as a coach or manager), winning 13 of them — a record unlikely ever to be matched. He also caught Don Larsen’s perfect game in the 1956 World Series — the only perfect game in World Series history.

The 2008 Sichuan earthquake lasted only 120 seconds. Despite its brevity, the magnitude 8.0 quake released energy equivalent to approximately 1,000 Hiroshima atomic bombs. The Chinese government’s own data showed that 80% of school buildings in the affected area collapsed, while government buildings nearby remained standing, sparking nationwide protests.

FAQ – May 12 in History