🎉 Holidays & Observances

Christianfeast day:

Abdecalas, Anastasius Sinaita, Anselm of Canterbury, Beuno, Conrad of Parzham, Holy Infant of Good Health, Shemon Bar Sabbae, Wolbodo, April 21 (Eastern Orthodox liturgics)

In the Eastern Orthodox liturgical calendar, April 21 honors a group of saints and martyrs whose faith and devotion are remembered through special services.

Natale di Roma(Rome)

Natale di Roma celebrates the legendary founding of Rome by Romulus on April 21, 753 BC, with parades and cultural events.

Parilia(ancient Rome)

Parilia is an ancient Roman festival held on April 21 to purify shepherds and their flocks in honor of the deity Pales.

Civil Service Day(India)

Civil Service Day in India honors the dedication and achievements of the country's civil servants each April 21.

Grounation Day(Rastafari)

Grounation Day is a major Rastafari celebration marking the arrival of Emperor Haile Selassie in Jamaica on April 21, 1966.

National Tea Day(United Kingdom)

National Tea Day in the UK celebrates brewing traditions with tastings, events, and community gatherings on April 21.

National Tree Planting Day(Kenya)

Kenya's National Tree Planting Day mobilizes citizens every April 21 to plant millions of trees and combat deforestation.

San Jacinto Day(Texas)

San Jacinto Day commemorates the 1836 Battle of San Jacinto on April 21, a pivotal victory in the Texas Revolution.

Abdecalas

Abdecalas is an early Christian martyr honored on April 21 by Eastern Orthodox faithful.

📅 Events

-753 (753 BC)

Romulus founds Rome (traditional date).

Legend holds that Romulus founded Rome on the Palatine Hill on this traditional date, marking the beginning of a civilization that would shape the ancient world.

-43 (43 BC)

Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is murdered shortly after.

In 43 BC, Mark Antony's attempt to seize Mutina ends in defeat by Aulus Hirtius, who is later killed, and the subsequent murder of Decimus Brutus.

900

The Laguna Copperplate Inscription (the earliest known written document found in what is now the Philippines): the Commander-in-Chief of the Kingdom of Tondo, as represented by the Honourable Jayadewa, Lord Minister of Pailah, pardons from all debt the Honourable Namwaran and his relations.

The Laguna Copperplate Inscription from 900 AD is the earliest known written document from the Philippines, recording the pardon of debts for a noble family.

1092

The Diocese of Pisa is elevated to the rank of metropolitan archdiocese by Pope Urban II

Pope Urban II elevates the Diocese of Pisa to a metropolitan archdiocese, enhancing its ecclesiastical authority in 1092.

1506

The three-day Lisbon Massacre comes to an end with the slaughter of over 1,900 suspected Jews by Portuguese Catholics.

The three-day Lisbon Massacre ends with the brutal killing of over 1,900 suspected Jews by Portuguese Catholics.

1509

Henry VIII ascends the throne of England on the death of his father, Henry VII.

Following the death of Henry VII, his son Henry VIII is crowned King of England, beginning a new Tudor reign.

1526

The last ruler of the Lodi dynasty, Ibrahim Lodi is defeated and killed by Babur in the First Battle of Panipat.

Babur defeats and kills Ibrahim Lodi at the First Battle of Panipat in 1526, marking the end of the Lodi dynasty and the rise of the Mughal Empire.

1615

The Wignacourt Aqueduct is inaugurated in Malta.

The Wignacourt Aqueduct is inaugurated in Malta, bringing fresh water from springs to the capital city of Valletta.

1782

The city of Rattanakosin, now known internationally as Bangkok, is founded on the eastern bank of the Chao Phraya River by King Buddha Yodfa Chulaloke.

King Buddha Yodfa Chulaloke establishes the city of Rattanakosin (modern Bangkok) as the new Siamese capital in 1782.

🎂 Births

1132

Sancho VI

king of Navarre

King of Navarre from 1150 to 1194, known as Sancho the Wise who strengthened and expanded his realm.

1132 - 1194
1488

Ulrich von Hutten

German religious reformer

German knight, scholar, and humanist who championed reform and supported Martin Luther's challenge to the medieval Church.

1488 - 1523
1523

Marco Antonio Bragadin

Venetian lawyer and military officer

Venetian lawyer turned military commander who led the defense of Famagusta against the Ottomans in 1571.

1523 - 1571
1555

Ludovico Carracci

Italian painter and etcher

Italian Baroque painter and etcher who co-founded the influential Carracci Academy in Bologna.

1555 - 1619
1619

Jan van Riebeeck

Dutch founder of Cape Town

Dutch colonial administrator who founded the settlement at the Cape of Good Hope in 1652, laying the foundation for Cape Town.

1619 - 1677
1630

Pieter Gerritsz van Roestraten

Dutch-English painter

Dutch Golden Age painter celebrated for his luxurious still lifes and vanitas compositions.

1630 - 1700
1631

Francesco Maidalchini

Catholic cardinal

Italian cardinal and grand-nephew of Pope Innocent X whose rise exemplified nepotism in the 17th-century Catholic Church.

1631 - 1700
1642

Simon de la Loubère

French mathematician, poet, and diplomat

French diplomat, mathematician, and poet best known for his embassy to Siam and contributions to mathematics.

1642 - 1729
1651

Joseph Vaz

Sri Lankan priest, missionary, and saint

Sri Lankan Oratorian priest and missionary who revitalized the Catholic Church under persecution and became known as the Apostle of Sri Lanka.

1651 - 1711

🕊️ Deaths

234

Emperor Xian of Han

Chinese emperor

The final emperor of the Eastern Han dynasty whose rule marked the end of over four centuries of Han imperial power.

181 - 234
586

Liuvigild

king of the Visigoths

King of the Visigoths who expanded his realm in the Iberian Peninsula and pursued legal and religious reforms.

847

Odgar

Frankish archbishop of Mainz

Frankish archbishop of Mainz who played a key role in church affairs and Carolingian politics.

866

Bardas

de facto regent of the Byzantine Empire

Byzantine statesman and regent who wielded real power behind the throne in the 9th century.

941

Bajkam

de facto regent of the Abbasid Caliphate

Turkish military commander and de facto ruler of the Abbasid Caliphate during the 10th century.

1073

Pope Alexander II

Pope from 1061 to 1073 who championed church reforms and strengthened papal independence.

1109

Anselm of Canterbury

Italian-English archbishop and saint

Theologian and philosopher who served as Archbishop of Canterbury and developed the ontological argument for God's existence.

1033 - 1109
1136

Stephen

Count of Tréguier Breton noblemen

Breton nobleman who governed the County of Tréguier in the early 12th century.

1142

Peter Abelard

French philosopher and theologian

French philosopher and theologian known for his work in scholasticism and his tragic romance with Heloise.

1079 - 1142

🎁 Birth Symbols

Birthstone

4月21日のDiamondの画像
Diamond
April's birthstone, the hardest natural material on Earth, symbolizing eternal love and bonds.
4月21日のMorganiteの画像
Morganite
April birthstone with gentle pink radiance, symbolizing love and kindness.

Zodiac Sign

4月21日のTaurusの画像
Taurus
The zodiac sign for those born April 20 - May 20, characterized by stability and aesthetic sense with steadfast nature and excellent five senses.

Birth Monster (Mytho-Digital Creature)

4月21日のTension Wyvernの画像
Tension Wyvern
A two-headed wyvern harboring energies of tension and release in its wings, transforming pressure into propulsion.

Birth Stationery

4月21日のMechanical Pencilの画像
Mechanical Pencil
A precision writing instrument that continuously advances new lead. A reliable companion supporting new term challenges.

Birth Element (Hyper-Periodic Element)

4月21日のNitrogenの画像
Nitrogen
An element of duality that comprises 78% of the atmosphere yet remains inert, showing explosive reactions under specific conditions

Birth Tea

4月21日のSenchaの画像
Sencha
The quintessential Japanese tea harvested during the new tea season. Its refreshing aroma, moderate astringency, and vibrant green color herald the arrival of spring.

Birth Coffee

4月21日のEspresso con Pannaの画像
Espresso con Panna
A Vienna-originated coffee where whipped cream floats on concentrated espresso, embodying the coexistence of tension and elegance.

Birth Cheese

4月21日のGruyèreの画像
Gruyère
A hard cheese made in the Swiss mountain regions. Features complex flavors from long aging and melts beautifully when heated, boasting remarkable versatility.

Birth Chocolate

4月21日のDark Chocolateの画像
Dark Chocolate
A sophisticated chocolate beloved as an adult taste, characterized by high cacao content, deep bitterness, and complex flavors.

Birth Bread

4月21日のBagelの画像
Bagel
A ring-shaped bread originating from Jewish culture, characterized by its chewy texture and glossy surface created through the unique method of boiling before baking.

Birth Fragrance

4月21日のGreen Teaの画像
Green Tea
The April birth fragrance with refreshing qualities reminiscent of fresh greenery and a subtle astringency, concealing strength within tranquility.

Birth Algorithm

4月21日のGradient Descent Algorithmの画像
Gradient Descent Algorithm
An optimization algorithm that progressively minimizes errors by moving towards the goal step by step

Birth Cognitive Bias (Mind's Quirk)

4月21日のImpostor Syndromeの画像
Impostor Syndrome
A cognitive bias where one attributes their success to luck or others' help, underestimating their abilities and feeling like an 'impostor' in new environments.

Birth Drink

Brandy Eggnog
A master who achieves things with skillful hands

Birth Flower

Crown Daisy
nobility 、 sincerity 、 be your sincere self
Forget-me-not
forget me not 、 true friendship 、 true love
Gymnaster
brief respite 、 tranquility 、 brief farewell
Love-in-a-mist
perplexity 、 deep love 、 love in a dream