590day.year

Emperor Maurice proclaims his son Theodosius as co-emperor of the Byzantine Empire.

Emperor Maurice elevates his son Theodosius to co-emperor, securing Byzantine succession.
In 590, Emperor Maurice of the Byzantine Empire proclaimed his eldest son Theodosius as co-emperor. This proclamation aimed to secure dynastic succession and strengthen central authority. The practice of co-emperorship became a hallmark of Byzantine governance, offering continuity. Maurice's decision helped manage frontier defense and imperial administration. Theodosius’s elevation reflected the emperor's trust and the importance of hereditary rule. However, joint reigns sometimes fueled rivalries, setting precedents for future power struggles.
590 Maurice Theodosius Byzantine Empire
624day.year

First Eid al-Fitr celebration.

The early Muslim community in Medina celebrates the first Eid al-Fitr, marking the end of Ramadan.
In 624, the first Eid al-Fitr was celebrated by the early Muslim community in Medina. This festival marked the joyous end of the holy month of Ramadan and a time of gratitude. Muslims gathered for communal prayers, shared meals, and acts of charity. The tradition fostered unity and compassion, central values of Islam. Eid al-Fitr evolved into a major annual festival observed worldwide by millions.
624 Eid al-Fitr
1021day.year

The death of the Fatimid caliph al-Hakim bi-Amr Allah, kept secret for six weeks, is announced, along with the succession of his son, al-Zahir li-i'zaz Din Allah.

The concealed death of Caliph al-Hakim bi-Amr Allah is revealed, announcing al-Zahir's succession.
In 1021, the death of Fatimid Caliph al-Hakim bi-Amr Allah was concealed for six weeks. The secret announcement aimed to prevent political unrest in the caliphate's territories. Al-Hakim's reign had been marked by controversy, including architectural patronage and persecution. His son, al-Zahir li-i'zaz Din Allah, was then proclaimed as his successor. The transition underscored the challenges of dynastic rule and power consolidation in Fatimid Egypt. It also influenced the empire's religious and political policies under al-Zahir.
1021 Fatimid al-Hakim bi-Amr Allah al-Zahir li-i'zaz Din Allah
1027day.year

Pope John XIX crowns Conrad II as Holy Roman Emperor.

Conrad II is crowned Holy Roman Emperor by Pope John XIX, reinforcing papal-imperial alliance.
In 1027, Pope John XIX crowned Conrad II as Holy Roman Emperor in Rome. The coronation reinforced the alliance between the papacy and the newly established Salian dynasty. Conrad's elevation solidified his claim to imperial authority over Germanic and Italian lands. The event took place in St. Peter's Basilica, symbolizing papal endorsement of secular power. This ceremony balanced papal influence with imperial ambition, shaping medieval Christendom. It laid the groundwork for future conflicts between emperors and popes.
1027 Pope John XIX Conrad II Holy Roman Emperor
1169day.year

Saladin becomes the emir of Egypt.

Saladin becomes emir of Egypt, initiating the rise of the Ayyubid dynasty.
In 1169, Saladin was appointed emir of Egypt under the Ayyubid governorship. His leadership marked the beginning of the Ayyubid dynasty’s rise in the Near East. Originally serving under the Zengid ruler Nur al-Din, Saladin’s rule brought stability to Egypt. He reformed military and administrative structures, strengthening defenses. Saladin’s tenure in Egypt set the stage for his later role in the Crusades and the recovery of Jerusalem.
1169 Saladin emir Egypt
1244day.year

The crown of Aragon and the crown of Castile agree in the Treaty of Almizra on the limits of their respective expansion into al-Andalus.

Aragon and Castile delineate their boundaries in al-Andalus through the Treaty of Almizra.
In 1244, the crowns of Aragon and Castile signed the Treaty of Almizra. The agreement defined the boundaries of their respective expansions into al-Andalus. King James I of Aragon and King Ferdinand III of Castile sought to avoid territorial conflicts. The treaty allocated strategic borderlands, ensuring clearer jurisdiction. It marked a key moment in the Christian Reconquista of Iberia. These delineations influenced later political and cultural developments in Spain.
1244 crown of Aragon crown of Castile Treaty of Almizra al-Andalus
1344day.year

The Siege of Algeciras, one of the first European military engagements where gunpowder was used, comes to an end.

The Siege of Algeciras ends, noted as one of Europe's earliest uses of gunpowder artillery.
In 1344, the protracted Siege of Algeciras ended after eleven months. It was among the first European battles to employ gunpowder artillery. The siege pitted Castilian forces against the Muslim-held city in southern Spain. Its conclusion secured a strategic port for Castile during the Reconquista. The use of cannons represented a shift towards gunpowder warfare in Europe. Algeciras became a vital naval base for future military campaigns.
1344 Siege of Algeciras
1351day.year

Combat of the Thirty: Thirty Breton knights call out and defeat thirty English knights.

Thirty Breton knights defeat their English counterparts in the famous Combat of the Thirty.
In 1351, the Combat of the Thirty saw thirty Breton knights challenge and defeat thirty English knights. This chivalric contest took place during the Hundred Years' War in Ploërmel, Brittany. The duel was fought under a code of honor, capturing medieval notions of knighthood. It became legendary for its display of bravery and martial skill. The event was celebrated in chronicles and ballads, symbolizing chivalric ideals.
1351 Combat of the Thirty Breton
1484day.year

William Caxton prints his translation of Aesop's Fables.

William Caxton prints the first English edition of Aesop's Fables, pioneering English printing.
In 1484, William Caxton printed his English translation of Aesop's Fables. It was one of the first books produced by a printing press in England. Caxton's edition made classic moral tales accessible to English readers. This publication helped standardize the English language and literary culture. Caxton's pioneering work laid foundations for the English printing industry.
1484 William Caxton Aesop's Fables
1552day.year

Guru Amar Das becomes the Third Sikh guru.

Guru Amar Das assumes the role of Third Sikh Guru, shaping the Sikh community's foundations.
In 1552, Guru Amar Das became the Third Sikh Guru in Punjab. He emphasized community service, equality, and the langar tradition. His leadership strengthened Sikh institutions and scripture compilation. Guru Amar Das founded new centers of Sikh pilgrimage, or 'taksals'. His teachings on social welfare and inclusivity shaped Sikhism's future.
1552 Guru Amar Das Sikh guru
1636day.year

Utrecht University is founded in the Netherlands.

Founded in 1636, Utrecht University is one of the oldest universities in the Netherlands.
Utrecht University was founded in 1636 by the States of Utrecht. It quickly became a center for theological and philosophical study in the Dutch Republic. Over the centuries, it has expanded to include faculties in law, medicine, and science. The university played a key role during the Enlightenment and later during the Dutch Golden Age. Today, it is ranked among the top universities in Europe and continues to attract students worldwide.
1636 Utrecht University Netherlands
1640day.year

The Royal Academy of Turku, the first university of Finland, is founded in the city of Turku by Queen Christina of Sweden at the proposal of Count Per Brahe.

The Royal Academy of Turku, Finland's first university, was founded in 1640 by Queen Christina of Sweden.
The Royal Academy of Turku was established in 1640 under the patronage of Queen Christina of Sweden. It was founded at the proposal of Count Per Brahe as Finland's first university. The institution aimed to educate clergy and civil servants for the Swedish realm's eastern provinces. Over time, it evolved into the University of Helsinki after relocating due to the Great Fire of Turku in 1827. Its legacy lives on as the foundation of higher education in Finland.
1640 Royal Academy of Turku Finland Turku Christina of Sweden Per Brahe