🎉 Holidays & Observances

Children's Day(Japan,South Korea)

National holiday in Japan and South Korea celebrating the health and happiness of children.

Christianfeast day:

Angelus of Jerusalem, Aventinus of Tours, Blessed Edmund Ignatius Rice, Frederick the Wise(Lutheran Church–Missouri Synod), Gotthard of Hildesheim, Hilary of Arles, Jutta of Kulmsee, Stanisław Kazimierczyk, May 5 (Eastern Orthodox liturgics)

Commemorates the feast days of multiple Christian saints observed on May 5th across various denominations.

Cinco de Mayo(Mexico,United States)

Anniversary of the Mexican Army's victory at the Battle of Puebla in 1862, celebrated with cultural festivals in Mexico and the United States.

Constitution Day(Kyrgyzstan)

National holiday marking the adoption of Kyrgyzstan's constitution in 1993.

Europe Day(Council of Europe)

Commemorates the founding of the Council of Europe in 1949, promoting human rights and democracy across Europe.

Feast of al-KhadrorSaint George(Palestinian)

Religious celebration in Palestine honoring Al-Khadr (Saint George), revered by both Christians and Muslims.

Indian Arrival Day(Guyana)

Commemorates the arrival of Indian indentured laborers to Guyana in 1838 and their cultural legacy.

International Midwives' Day(International)

Annual observance recognizing the vital role of midwives in maternal and newborn health worldwide.

Liberation Day(Denmark,Netherlands)

Marks the liberation of Denmark and the Netherlands from Nazi occupation at the end of World War II in 1945.

📅 Events

553

The Second Council of Constantinople begins.

The Second Council of Constantinople convened in 553 to address ongoing doctrinal disputes within the early Church.

1215

Rebel barons renounce their allegiance to King John of England — part of a chain of events leading to the signing of the Magna Carta.

In 1215, English barons withdrew their loyalty to King John, setting the stage for the Magna Carta.

1260

Kublai Khan becomes ruler of the Mongol Empire.

In 1260, Kublai Khan ascended as the Great Khan of the Mongol Empire, marking a pivotal shift in leadership.

1494

On his second voyage to the New World, Christopher Columbus sights Jamaica, landing at Discovery Bay and declares Jamaica the property of the Spanish crown.

During his second expedition in 1494, Christopher Columbus discovered Jamaica and claimed it for Spain.

1609

Daimyō (Lord) Shimazu Tadatsune of the Satsuma Domain in southern Kyūshū, Japan, completes his successful invasion of the Ryūkyū Kingdom in Okinawa.

In 1609, Lord Shimazu Tadatsune of Satsuma completed his invasion of the Ryūkyū Kingdom, extending his domain’s influence.

1640

King Charles I of England dissolves the Short Parliament.

King Charles I dissolved the Short Parliament in 1640 after it refused to grant him funds for war.

1654

Cromwell's Act of Grace, aimed at reconciliation with the Scots, proclaimed in Edinburgh.

Oliver Cromwell’s Act of Grace was proclaimed in Edinburgh in 1654 to extend reconciliation to the Scots.

1762

Russia and Prussia sign the Treaty of St. Petersburg.

In 1762, Russia and Prussia signed the Treaty of St. Petersburg, ending hostilities and reshaping European alliances.

1789

In France, the Estates-General convenes for the first time since 1614.

The Estates-General met in 1789 for the first time since 1614, igniting the French Revolution.

🎂 Births

1210

Afonso III of Portugal

King of Portugal from 1248 to 1279 who strengthened royal authority and expanded the kingdom’s territory.

1210 - 1279
1282

Juan Manuel

Prince of Villena

Castilian prince and author best known for his collection of moral tales "Count Lucanor".

1282 - 1348
1310

Preczlaw of Pogarell

Cardinal and Bishop of Wrocław

14th-century Bohemian cardinal who served as Bishop of Wrocław and papal legate.

1310 - 1376
1352

Rupert of Germany

Count Palatine of the Rhine

Count Palatine of the Rhine who became King of Germany (King of the Romans) in 1400.

1352 - 1410
1479

Guru Amar Das

Indian 3rd Sikh Guru

Third Sikh Guru who advanced Sikh social practices and established the community center at Goindwal.

1479 - 1574
1504

Stanislaus Hosius

Polish cardinal

Polish cardinal and leading figure of the Catholic Counter-Reformation in the 16th century.

1504 - 1579
1530

Gabriel

comte de Montgomery, French nobleman

French nobleman and soldier who accidentally mortally wounded King Henry II in a 1559 jousting tournament.

1530 - 1574
1542

Thomas Cecil

1st Earl of Exeter, English soldier and politician, Lord Lieutenant of Northamptonshire

English nobleman, soldier, and politician who served as the 1st Earl of Exeter and Lord Lieutenant of Northamptonshire.

1542 - 1623
1582

John Frederick

Duke of Württemberg

Duke of Württemberg in the early 17th century noted for administrative reforms and religious policies.

1582 - 1628

🕊️ Deaths

465

Gerontius

Archbishop of Milan

5th-century Archbishop of Milan during the decline of the Western Roman Empire.

1194

Casimir II the Just

Polish son of Bolesław III Wrymouth

12th-century Duke of Poland known for his fair and just rule.

1138 - 1194
1243

Hubert de Burgh

1st Earl of Kent, English justiciar

13th-century English nobleman and Chief Justiciar who served under King Henry III.

1306

Constantine Palaiologos

Byzantine general

Byzantine prince and military commander of the late 13th century.

1261 - 1306
1309

Charles II of Naples

13th- and 14th-century King of Naples who navigated complex dynastic and political challenges.

1254 - 1309
1316

Elizabeth of Rhuddlan

daughter of King Edward I of England

13th-century English princess, daughter of King Edward I.

1282 - 1316
1338

Prince Tsunenaga

son of the Japanese Emperor

14th-century Japanese imperial prince during the Nanboku-chō period.

1324 - 1338
1380

Saint Philotheos

Coptic martyr

14th-century Coptic Christian martyr venerated for his faith and sacrifice.

1432

Francesco Bussone da Carmagnola

Italian adventurer

Early 15th-century Italian condottiero who served as a mercenary leader in Renaissance Italy.

🎁 Birth Symbols

Birthstone

5月05日のEmeraldの画像
Emerald
May's birthstone, one of the world's three great gems with vibrant green brilliance, symbolizing happiness and hope.
5月05日のJadeの画像
Jade
May birthstone selected as Japan's national stone, beautiful green gem symbolizing fortune and harmony.

Zodiac Sign

5月05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)

5月05日のFamilia Dryadの画像
Familia Dryad
A tree-type digital life form that grows on family bonds as nourishment, blooming flowers with children's smiles.

Birth Stationery

5月05日のColored Pencils Setの画像
Colored Pencils Set
Creative tools that color the world with diverse hues, creating unified works while cherishing each family member's individuality.

Birth Element (Hyper-Periodic Element)

5月05日のIronの画像
Iron
An element forming Earth's core and supporting civilization's development, possessing both strength and the nature to rust

Birth Tea

5月05日のJasmine Teaの画像
Jasmine Tea
A floral tea made by infusing green or white tea with jasmine flowers, enveloping the heart with its rich aroma reminiscent of maternal tenderness.

Birth Coffee

5月05日のCafé au Laitの画像
Café au Lait
A homestyle French coffee drink that combines equal parts coffee and warm milk for a gentle, comforting flavor.

Birth Cheese

5月05日のCamembert de Normandieの画像
Camembert de Normandie
Representative white mold cheese from Normandy region of France. Perfect size for family sharing with gentle flavors that everyone can enjoy.

Birth Chocolate

5月05日のGiandujaの画像
Gianduja
A traditional chocolate from Turin, Italy, where chocolate and hazelnut paste blend in perfect harmony, symbolizing family bonds and diversity's harmony with its warm flavor.

Birth Bread

5月05日のCiabattaの画像
Ciabatta
Flat oval bread from northern Italy with large air pockets and rustic texture, symbolizing warmth shared among family

Birth Fragrance

5月05日のLavenderの画像
Lavender
A gentle, enveloping herbal floral that combines maternal tenderness with dignified strength.

Birth Algorithm

5月05日のSwarm Intelligence Algorithmの画像
Swarm Intelligence Algorithm
An algorithm where multiple agents collaborate to solve problems, creating complex collective behavior from individual simple actions

Birth Cognitive Bias (Mind's Quirk)

5月05日のRose-colored Glassesの画像
Rose-colored Glasses
An optimism bias that focuses only on positive aspects while ignoring problems and flaws, where the liberation of holidays makes judgment overly lenient.

Birth Drink

Healing Tonic
A proud pirate empress seeking to be No.1

Birth Flower

Japanese Iris
Passion 、 Elegance 、 Spirit
Thistle
Authority 、 Independence 、 Revenge
Lily of the Valley
Happiness 、 Purity 、 Chastity
Calla Lily
(White) Purity 、 (White) Cleanliness