ChristianFeast Day:
Abraham of Smolensk(Eastern Orthodox Church), Euprepius of Verona, Maximilian of Antioch, Our Lady of Knock, Pope Pius X, Sidonius Apollinaris, August 21 (Eastern Orthodox liturgics)
A collection of Eastern Orthodox feast days honoring saints and Marian devotions observed on August 21.
Each year on August 21, the Eastern Orthodox Church commemorates several revered figures and apparitions.
Abraham of Smolensk, Euprepius of Verona, Maximilian of Antioch, and Sidonius Apollinaris are celebrated for their piety, leadership, and faith under persecution.
The day also honors the Blessed Virgin under the title Our Lady of Knock, marking her apparition in Ireland in 1879.
Additionally, it remembers Pope Pius X's contributions to liturgical reform and pastoral care.
These observances bring together theology, history, and devotion in a single liturgical celebration.
Feast Day
Abraham of Smolensk
Eastern Orthodox Church
Euprepius of Verona
Maximilian of Antioch
Our Lady of Knock
Pope Pius X
Sidonius Apollinaris
August 21 (Eastern Orthodox liturgics)
Ninoy Aquino Day(Philippines)
A national holiday in the Philippines honoring the life and legacy of Senator Benigno "Ninoy" Aquino Jr.
Observed every August 21, Ninoy Aquino Day commemorates the assassination of Senator Benigno "Ninoy" Aquino Jr. in 1983.
His death galvanized the Filipino people and spurred the People Power Revolution that restored democracy in the Philippines.
He was a staunch critic of the Marcos regime, known for his eloquent speeches and unyielding fight for freedom.
Celebrations include wreath-laying ceremonies at the Aquino family residence and educational programs on civic duty.
The day serves as a reminder of the power of peaceful protest and the ongoing pursuit of justice.
Ninoy Aquino Day
Philippines
Youth Day(Morocco)
A national holiday in Morocco celebrating the energy, achievements, and potential of the country's youth.
Morocco's Youth Day is observed on August 21 to honor the role of young people in national development.
The date commemorates historic student demonstrations in Rabat in 1961 that shaped modern Moroccan society.
Festivities include youth-led sports events, cultural performances, and educational workshops across the kingdom.
Government and community leaders highlight programs supporting employment, education, and civic engagement for youth.
The day underscores Morocco's investment in the aspirations and creativity of its younger generations.
Youth Day
Morocco
World Senior Citizen's Day
A day dedicated to honoring and celebrating the contributions of senior citizens worldwide.
World Senior Citizen's Day on August 21 recognizes the achievements and wisdom of older adults.
Established in 1988 in the United States, it has grown into a global celebration of longevity and experience.
Communities host seminars, health screenings, and cultural events to address seniors' well-being and social inclusion.
The day raises awareness of issues such as elder care, social security, and age discrimination.
It encourages intergenerational dialogue and highlights the vital role seniors play in families and society.
World Senior Citizen's Day
Abraham of Smolensk(Eastern Orthodox Church)
Feast day of Saint Abraham of Smolensk, an Orthodox monk and wonderworker from 12th-century Russia.
Saint Abraham of Smolensk was a 12th-century Russian monk known for his ascetic life and miracles.
He founded the Abraham Monastery near Smolensk and became renowned for his healing and prophetic gifts.
Venerated in the Eastern Orthodox tradition, his relics are credited with numerous miracles of healing.
His feast on August 21 celebrates his deep spirituality, humility, and service to the poor.
Pilgrims visit his monastery seeking spiritual guidance and divine intervention.
Abraham of Smolensk
Eastern Orthodox Church
Euprepius of Verona
Feast day of Saint Euprepius of Verona, traditionally the city's first bishop from the 1st century.
Saint Euprepius is honored as the first bishop of Verona, believed to have served in the 1st century.
Though few historical details survive, tradition credits him with establishing the local Christian community.
He is remembered for his leadership, pastoral care, and dedication to spreading the Gospel.
The August 21 celebration honors his foundational role in the Diocese of Verona.
Local churches hold liturgies and processions in his name.
Euprepius of Verona
Maximilian of Antioch
Feast day of Saint Maximilian of Antioch, an early Christian martyr of the 3rd century.
Saint Maximilian of Antioch was a deacon and martyr during the persecution of Christians under Emperor Decius.
He is venerated for his unwavering faith and courage in the face of torture and death.
Legends recount his miraculous endurance and the conversion of witnesses at his martyrdom.
His feast on August 21 inspires the faithful with his example of steadfast devotion.
Churches celebrate with special prayers and reflections on martyrdom and witness.
Maximilian of Antioch
Our Lady of Knock
Commemoration of the 1879 apparition of the Virgin Mary at Knock, Ireland.
On August 21, 1879, villagers at Knock, County Mayo witnessed an apparition of the Virgin Mary, Saint Joseph, and Saint John the Evangelist.
The outdoor shrine at the gable of the local church has since become a major pilgrimage site.
Millions visit Knock to pray for healing, comfort, and spiritual renewal.
The apparition is celebrated with Masses, rosary recitations, and processions each year.
Our Lady of Knock symbolizes faith, hope, and the universal call to peace.
Our Lady of Knock
Pope Pius X
Feast day of Pope Saint Pius X, head of the Catholic Church from 1903 to 1914.
Pope Pius X, canonized in 1954, led the Catholic Church through significant liturgical and doctrinal reforms.
He promoted frequent Communion, restored Gregorian chant, and codified Canon Law.
Known for his fight against modernist theology, he is called the 'Pope of the Eucharist.'
His feast on August 21 honors his pastoral zeal and commitment to church unity.
Communities celebrate with Masses emphasizing the sacraments and ecclesial tradition.
Pope Pius X
Sidonius Apollinaris
Feast day of Sidonius Apollinaris, a 5th-century Gallo-Roman poet, diplomat, and bishop.
Sidonius Apollinaris was a prominent 5th-century Gallo-Roman aristocrat, poet, and diplomat.
He served as the Bishop of Clermont and is celebrated for his eloquent letters and verse.
His writings provide valuable insight into the late Roman Empire and early medieval Gaul.
The August 21 feast honors his literary achievements and episcopal leadership.
Scholars and religious communities reflect on his legacy of faith, culture, and public service.
Sidonius Apollinaris
August 21 (Eastern Orthodox liturgics)
In the Eastern Orthodox Church, August 21 is observed as the feast day of numerous saints and commemorations according to the liturgical calendar.
On August 21, Orthodox Christians commemorate a variety of saints and holy figures who played significant roles in the early Church.
The liturgical services feature special hymns, scripture readings, and prayers dedicated to their memory.
Among those remembered are revered martyrs, monastic leaders, and holy mothers whose examples inspire the faithful.
Churches around the world hold Divine Liturgy and Vespers, with some communities organizing processions and icon veneration events.
Local traditions may include educational talks, communal meals, and charity activities reflecting the spirit of the saints’ teachings.
This observance deepens believers' connection to centuries-old traditions and reinforces the sense of unity in the global Orthodox community.
August 21 (Eastern Orthodox liturgics)