BBeiraLife
DIGITAL ALMANAC · EUROPE/LISBON

Historical events for
Saturday, 4 April 2026

1819
Birth

D. Maria II (The Educator)

Queen Maria II (born April 4, 1819, and died November 15, 1853) was the thirtieth Queen of Portugal. After recovering the crown at the end of the Civil War, her reign was dedicated to consolidating liberalism and promoting national public education.

15/11/1853
1826
Birth

Zénobe-Théophile Gramme

Zénobe-Théophile Gramme (born April 4, 1826, and died January 20, 1901) was a notable Belgian electrical engineer. His invention of the Gramme machine, the first viable continuous-current generator for industrial-scale production, drove the global adoption of electric power.

20/1/1901
1864
Birth

Alfredo Roque Gameiro

Alfredo Roque Gameiro (born April 4, 1864, and died August 5, 1935) was an eminent Portuguese painter and illustrator. The undisputed master of watercolor in Portugal, his work stood out for its faithful representation of landscapes, people, and nautical and rural customs of the country.

5/8/1935
1864
Birth

Alfredo Roque Gameiro

Alfredo Roque Gameiro (born April 4, 1864, and died August 5, 1935) was a brilliant Portuguese watercolorist. His work, which masterfully depicts the customs and maritime landscapes of Portugal, is a treasure of national naturalism.

1960
Birth

Hugo Weaving

Hugo Weaving (b. 1960) is a masterful and multi-award-winning British-Australian actor. His chilling portrayal of Agent Smith, who evolves from a simple security program into a viral anomaly capable of consuming the entire Matrix, cemented him as one of the greatest villains in cinema history.

560
History

Saint Isidore of Seville

Saint Isidore of Seville (born circa 560 and died April 4, 636) was an Iberian scholar, theologian, and archbishop. Author of the "Etymologies", an authentic encyclopedia of ancient knowledge, he is venerated as a Doctor of the Church and patron saint of the internet and computer scientists.

4/4/636
1932
History

Isolation of Vitamin C

Scientist C. Glen King of the University of Pittsburgh formally isolated Vitamin C after years of rigorous research from lemon juice. This monumental discovery enabled the eradication of scurvy and opened new horizons in nutritional science.

1949
History

Foundation of NATO

Twelve Western nations signed the North Atlantic Treaty in Washington, founding NATO (North Atlantic Treaty Organization). The intergovernmental military alliance was created to ensure the collective security and defense of its members.

1960
History

National Day of Senegal

Senegal National Day commemorates the country's independence from France, formalized on April 4, 1960. The date celebrates national sovereignty and the rich Senegalese cultural heritage.

1975
History

Foundation of Microsoft

Childhood friends Bill Gates and Paul Allen founded Microsoft in Albuquerque, New Mexico. The company would go on to revolutionize personal computing and become one of the greatest technological giants in world history.

2005
History

International Day for Mine Awareness

Established by the United Nations General Assembly, this day highlights the ongoing threat of landmines and explosive remnants of war, promoting their eradication and assistance to victims worldwide.

2026
History

Holy Saturday (Easter Vigil)

Holy Saturday is the day of vigil and silent waiting at the tomb of Christ. At nightfall, the Easter Vigil is celebrated, the most important liturgy of the Christian year, which culminates with the announcement of the Resurrection.

2026
History

Lazarus Saturday (Orthodox Christianity)

In the Eastern Orthodox tradition, Lazarus Saturday precedes Palm Sunday. The date celebrates the biblical miracle of the resurrection of Lazarus by Jesus, anticipating the theme of victory over death that will culminate in Easter.

History

Saint Isidore of Seville

Day of Saint Isidore of Seville, archbishop, Doctor of the Church, and one of the greatest scholars of the Middle Ages. He is considered the patron saint of the Internet and computer programmers due to his encyclopedic work.