March 30
Overview
Holidays & Observances
Christianfeast day:
BlessedAmadeus IX, Duke of Savoy, BlessedMaria Restituta Kafka, John Climacus, Mamertinus of Auxerre, Quirinus of Neuss, Thomas Son Chasuhn,Marie-Nicolas-Antoine Daveluy(part of TheKorean Martyrs), Tola of Clonard, March 30 (Eastern Orthodox liturgics)
An Orthodox Christian feast day honoring a group of saints, including Blessed Amadeus IX and Maria Restituta Kafka, among others.
Land Day(Palestine)
Annual Palestinian commemoration of Land Day, marking protest against land expropriation on March 30, 1976.
National Doctors' Day(United States)
A day honoring physicians for their service and dedication to healthcare, observed in the United States on March 30.
Spiritual Baptist/Shouter Liberation Day(Trinidad and Tobago)
National holiday celebrating the legal recognition of the Spiritual Baptist faith in Trinidad and Tobago.
School Day of Non-violence and Peace(Spain)
An educational event in Spain promoting non-violence and peace among students on March 30.
BlessedAmadeus IX, Duke of Savoy
Feast day honoring Blessed Amadeus IX of Savoy, revered for his piety and charitable leadership.
BlessedMaria Restituta Kafka
Feast day commemorating Blessed Maria Restituta Kafka, martyred Austrian nun who stood against Nazi oppression.
John Climacus
Feast day honoring St. John Climacus, 7th-century monk and author of 'The Ladder of Divine Ascent.'
Mamertinus of Auxerre
Feast day of Saint Mamertinus, 5th-century bishop of Auxerre known for his pastoral care and charity.
Events
Avar–Byzantine wars: The Avars lift the siege at the Byzantine stronghold of Tomis. Their leader Bayan I retreats north of the Danube River after the Avaro-Slavic army is decimated by the plague.
In 598, the Avars lifted their siege of the Byzantine fortress at Tomis but were struck by a devastating plague that forced leader Bayan I to retreat across the Danube.
The people of Sicily rebel against the Angevin king Charles I, in what becomes known as the Sicilian Vespers.
In 1282, Sicilians rose in violent revolt against Angevin rule in what became known as the Sicilian Vespers.
Edward I sacks Berwick-upon-Tweed, during armed conflict between Scotland and England.
In 1296, King Edward I of England captured and sacked the fortified town of Berwick-upon-Tweed, striking a decisive blow in the Wars of Scottish Independence.
Guru Gobind Singh establishes the Khalsa in Anandpur Sahib, Punjab.
In 1699, Sikh Guru Gobind Singh founded the Khalsa in Anandpur Sahib, creating a distinct spiritual and martial order within Sikhism.
Joachim Murat issues the Rimini Proclamation, among the earliest calls for Italian unification.
In 1815, Joachim Murat issued the Rimini Proclamation, urging Italians to rise in pursuit of national unification.
Physicist Augustin Fresnel reads a memoir on optical rotation to the French Academy of Sciences, reporting that when polarized light is "depolarized" by a Fresnel rhomb, its properties are preserved in any subsequent passage through an optically-rotating crystal or liquid.
In 1818, Augustin Fresnel presented his breakthrough experiments on optical rotation to the French Academy of Sciences, advancing the understanding of polarized light.
The Florida Territory is created in the United States.
On March 30, 1822, the United States formally organized the Florida Territory after acquiring the region from Spain.
The National Bank of Greece is founded in Athens.
In 1841, the National Bank of Greece was established in Athens as the nation’s first central banking institution.
Ether anesthesia is used for the first time, in an operation by the American surgeon Dr. Crawford Long.
In 1842, Dr. Crawford Long performed the first operation using ether anesthesia in Georgia, pioneering pain-free surgery.
Births
Shi Jingtang
Chinese military leader who founded the Later Jin Dynasty during the Five Dynasties and Ten Kingdoms period.
Maimonides
A preeminent medieval Jewish rabbi, philosopher, and physician whose writings influenced both Jewish law and Aristotelian thought.
Grand Prince of Moscow who consolidated power in the early Moscow principality during the 14th century.
Mehmed the Conqueror
Ottoman sultan famous for capturing Constantinople and transforming the empire into a major world power.
Antonio de Cabezón
Renowned Spanish Renaissance composer and virtuoso organist whose works shaped keyboard music across Europe.
Salomon Schweigger
German Lutheran theologian, translator, and early traveler whose writings introduced Europeans to Ottoman culture.
Vincentio Reinieri
Italian mathematician and astronomer who assisted Galileo and advanced early telescopic observations.
John Trenchard
English statesman who served as Secretary of State for the Northern Department under King James II.
Tommaso Traetta
Italian composer and teacher who played a key role in the development of 18th-century opera seria.
Deaths
Quirinus of Neuss
A 2nd-century Roman martyr venerated as a saint in the Catholic Church.
Ai of Jin
Emperor of the Eastern Jin Dynasty from 361 to 365.
Li Bian
Founding emperor of the Southern Tang state during the Five Dynasties and Ten Kingdoms period.
Arnulf II
Medieval Count of Flanders who ruled from 965 to 987.
Al-Mustadi
Abbasid Caliph of Baghdad from 1170 to 1180, noted for cultural patronage.
Joachim of Fiore
Medieval Italian mystic and theologian known for his prophetic visions.
Isabella of Clermont
Queen consort of Naples as wife of King Ferdinand I in the mid-15th century.
Amadeus IX
Duke of Savoy noted for his piety and governance reforms.
Thomas Bourchier
English cardinal and Archbishop of Canterbury during the Wars of the Roses.