🎉 Holidays & Observances

Anniversary of the Declaration of the Slovak Nation(Slovakia)

A national holiday in Slovakia commemorating the 1918 Declaration asserting Slovak nationhood and the formation of Czechoslovakia.

Christianfeast day:

Ethelnoth (Egelnoth) the Good, BlessedDominic Collins(Catholic, Ireland,Society of Jesus), Gerard of Potenza, BlessedMaria Teresa of St. Joseph, John Wycliffe(Episcopal Church (USA)), Marcellus of Tangier, Saturninus of Cagliari, Serapion of Antioch, Talarican (Tarkin), Theonistus, Zenobios and Zenobia, October 30 (Eastern Orthodox liturgics)

A collective feast day in the Christian liturgical calendar honoring multiple saints across Catholic, Anglican, and Eastern Orthodox traditions.

Day of Remembrance of the Victims of Political Repressions(former Soviet republics, exceptUkraine)

An annual observance in former Soviet republics to honor and remember the victims of political repression.

Thevar Jayanthi(Thevar community,India)

The birth anniversary celebration of Pasumpon Muthuramalinga Thevar, a revered leader of the Thevar community in India.

Mischief Night(Ireland,Canada,United Kingdom,United Statesand other places)

A tradition on the eve of Halloween marked by playful pranks and lighthearted mischief in various countries.

Ethelnoth (Egelnoth) the Good

A feast day honoring Saint Ethelnoth, a 9th-century bishop celebrated for his piety and leadership.

BlessedDominic Collins(Catholic, Ireland,Society of Jesus)

A Catholic feast day for Blessed Dominic Collins, an Irish Jesuit martyr of the late 16th century.

Gerard of Potenza

Feast day of Saint Gerard of Potenza, celebrated for his episcopal leadership and devotion.

BlessedMaria Teresa of St. Joseph

Feast day of Blessed Maria Teresa of St. Joseph, founder of a religious congregation in Belgium.

📅 Events

637

Arab–Byzantine wars: Antioch surrenders to the Rashidun Caliphate after the Battle of the Iron Bridge.

In 637, Antioch fell to the Rashidun Caliphate after the Battle of the Iron Bridge, marking a significant shift in the Arab–Byzantine wars.

758

Guangzhou is sacked by Arab and Persian pirates.

In 758, Guangzhou was raided and sacked by Arab and Persian pirates, causing widespread destruction and highlighting vulnerabilities in Tang dynasty maritime defenses.

1137

Ranulf of Apulia defeats Roger II of Sicily at the Battle of Rignano, securing his position as duke until his death two years later.

In 1137, Ranulf of Apulia defeated Roger II of Sicily at the Battle of Rignano, strengthening his hold over southern Italy against Norman rivals.

1270

The Eighth Crusade ends by an agreement between Charles I of Anjou (replacing his deceased brother King Louis IX of France) and the Hafsid dynasty of Tunis, Tunisia.

On October 30, 1270, Charles I of Anjou negotiated an end to the Eighth Crusade with the Hafsid dynasty of Tunis, concluding hostilities through treaty rather than conquest.

1340

Reconquista: Portuguese and Castilian forces halt a Muslim invasion at the Battle of Río Salado.

In 1340, combined Portuguese and Castilian forces halted a Muslim invasion at the Battle of Río Salado, delivering a key victory in the Reconquista.

1657

Anglo-Spanish War: Spanish forces fail to retake Jamaica at the Battle of Ocho Rios.

On October 30, 1657, Spanish forces failed in their attempt to recapture Jamaica from the English at the Battle of Ocho Rios during the Anglo-Spanish War.

1806

War of the Fourth Coalition: Convinced that he is facing a much larger force, Prussian General von Romberg, commanding 5,300 men, surrenders the city of Stettin to 800 French soldiers.

In 1806, Prussian General von Romberg surrendered the fortified city of Stettin to a small French force without a major fight in the War of the Fourth Coalition.

1817

Simón Bolívar becomes President of the Third Republic of Venezuela.

On October 30, 1817, Simón Bolívar became President of the Third Republic of Venezuela, advancing the independence movement in South America.

1831

Nat Turner is arrested for leading the bloodiest slave rebellion in United States history.

On October 30, 1831, Nat Turner was arrested after leading the most deadly slave rebellion in U.S. history, sparking fierce debate over slavery.

🎂 Births

-39 (39 BC)

Julia the Elder

Roman daughter of Augustus

Daughter of the first Roman Emperor, Augustus, and a prominent figure in the Julio-Claudian dynasty.

-39 - 14
1218

Emperor Chūkyō of Japan

The 85th Emperor of Japan, who reigned briefly during the Kamakura period.

1218 - 1234
1327

Andrew

Duke of Calabria

Heir to the throne of Naples whose marriage ignited political tensions in 14th-century Europe.

1327 - 1345
1447

Lucas Watzenrode

Prince-Bishop of Warmia

A key ecclesiastical leader and uncle of astronomer Nicolaus Copernicus in the Kingdom of Poland.

1447 - 1512
1492

Anne d'Alençon

French noblewoman

A member of the French royal lineage and influential court figure during the Renaissance.

1492 - 1562
1513

Jacques Amyot

French bishop and translator

Renowned translator of classical works and influential French Renaissance humanist.

1513 - 1593
1558

Jacques-Nompar de Caumont

duc de La Force, Marshal of France

Distinguished French nobleman and military leader during the Wars of Religion and the Thirty Years’ War.

1558 - 1652
1624

Paul Pellisson

French historian and author

A prominent historian of Louis XIV’s court and influential member of the Académie Française.

1624 - 1693
1632

Christopher Wren

English physicist, mathematician, and architect, designed St Paul's Cathedral

One of England’s greatest architects and a pioneering scientist of the 17th century.

1632 - 1723

🕊️ Deaths

526

Paul of Edessa

Syriac Orthodox bishop of Edessa

6th-century Syriac Orthodox bishop who led the Christian community in Edessa.

1137

Sergius VII

Duke of Naples

Last independent Duke of Naples, who ruled during the Norman consolidation of southern Italy.

1282

Ibn Khallikan

Iraqi scholar and judge

13th-century Kurdish scholar, judge, and historian, best known for his biographical dictionary of notable figures.

1211 - 1282
1459

Poggio Bracciolini

Italian scholar and translator

Italian Renaissance humanist famed for rediscovering and translating lost classical manuscripts.

1380 - 1459
1466

Johann Fust

German printer

15th-century German financier and printer who partnered with Gutenberg to pioneer the bookmaking industry.

1522

Jean Mouton

French composer and educator

French Renaissance composer known for his elegant sacred choral works and influential role as a music teacher.

1459 - 1522
1553

Jacob Sturm von Sturmeck

German politician

German statesman and diplomat instrumental in advancing Protestant interests during the Reformation.

1489 - 1553
1602

Jean-Jacques Boissard

French poet and illustrator

French Renaissance poet and antiquarian celebrated for his poetic works and detailed engravings of ancient monuments.

1528 - 1602
1611

Charles IX of Sweden

King of Sweden (1604–1611) who strengthened the monarchy and pursued Baltic ambitions.

1550 - 1611

🎁 Birth Symbols

Birthstone

10月30日のOpalの画像
Opal
October's traditional birthstone with rainbow play-of-color, a mystical gem symbolizing fortune and hope.
10月30日のTourmalineの画像
Tourmaline
October's birthstone called 'stone of mixed colors' with diverse hues, electric stone symbolizing hope and friendship.

Zodiac Sign

10月30日のScorpioの画像
Scorpio
A water sign with deep insight and mysterious charm, symbolizing transformation and regeneration.

Birth Monster (Mytho-Digital Creature)

10月30日のCarnival Shapeshifterの画像
Carnival Shapeshifter
A transformation master changing form with festival fervor, stimulating people's creativity. Knows the truth beneath masks.

Birth Stationery

10月30日のMasking Tapeの画像
Masking Tape
The guardian stationery of October births, embodying duality of decoration and protection, enabling creative expression and temporary transformation.

Birth Element (Hyper-Periodic Element)

10月30日のAluminumの画像
Aluminum
A modern metal that is lightweight yet strong, infinitely recyclable

Birth Tea

10月30日のChai (Masala Chai)の画像
Chai (Masala Chai)
A traditional Indian tea blend with spices and milk, featuring a complex and rich flavor profile created by multiple spices, perfect for warming the body.

Birth Coffee

10月30日のPumpkin Spice Latteの画像
Pumpkin Spice Latte
A North American autumn tradition featuring spices like cinnamon, nutmeg, and cloves with pumpkin flavor, symbolizing October's transformation and harvest joy through creative combinations and limited-time exclusivity.

Birth Cheese

10月30日のMimoletteの画像
Mimolette
French cheese of Dutch origin. Vibrant orange color with bumpy surface reminiscent of lunar landscape, featuring distinctive appearance.

Birth Chocolate

10月30日のOrange Peel Chocolateの画像
Orange Peel Chocolate
An elegant French confection featuring candied orange peel coated with chocolate.

Birth Bread

10月30日のPain de Campagneの画像
Pain de Campagne
French country bread with rustic appearance yet complex flavors and distinctive shape, representing free-spirited nature

Birth Fragrance

10月30日のCinnamonの画像
Cinnamon
A warm, spicy fragrance that stimulates creative energy and expresses the vitality of autumn

Birth Algorithm

10月30日のGenetic Algorithmの画像
Genetic Algorithm
An evolutionary algorithm that mimics biological evolution to creatively search for optimal solutions from diverse candidates

Birth Cognitive Bias (Mind's Quirk)

10月30日のChameleon Effectの画像
Chameleon Effect
A social conformity bias that unconsciously mimics the behaviors and attitudes of surrounding people, creating a natural blending effect within groups

Birth Drink

Campari Grapefruit Martini
A person with a heart as vast as the universe

Birth Flower

Crocus
(purple) energy 、 (purple) regret of love 、 youthful gladness 、 longing
Great Burnet
changing days 、 change 、 contemplation 、 admiration 、 expectation for tomorrow
Water Lily
pure heart 、 faith 、 sweetness 、 (white) purity
Lobelia
malice 、 modesty 、 always lovely