Christianfeast day:

Saint Beatrice of Silva, Saint Clare of Montefalco, Saint Hyacinth of Poland, Saint Jeanne Delanoue, Saint Mammes of Caesarea, Samuel Johnson,Timothy Cutler, andThomas Bradbury Chandler(Episcopal Church), August 17 (Eastern Orthodox liturgics)

A liturgical observance honoring multiple Christian saints across Western and Eastern traditions.
August 17 marks a group feast day in the Christian calendar honoring saints from various eras and regions, including Beatrice of Silva, Clare of Montefalco, Hyacinth of Poland, Jeanne Delanoue, Mammes of Caesarea, and notable figures recognized by the Episcopal Church. Celebrations vary by tradition but often include special liturgies, prayer services, and readings of the saints’ lives. In Eastern Orthodox communities, additional hymns and commemorations underscore the spiritual legacy of these holy individuals. Many faithful use this day to reflect on virtues such as charity, piety, and perseverance exemplified by the saints. Parishes and sister orders may hold processions, educational talks, and charity events in their honor.
feast day Saint Beatrice of Silva Saint Clare of Montefalco Saint Hyacinth of Poland Saint Jeanne Delanoue Saint Mammes of Caesarea Samuel Johnson Timothy Cutler Thomas Bradbury Chandler Episcopal Church August 17 (Eastern Orthodox liturgics)

Engineer's Day(Colombia)

A day celebrating the achievements and contributions of engineers across Colombia.
Engineers’ Day in Colombia, observed on August 17, recognizes the vital role of engineering professionals in national development and innovation. Organized by engineering associations and academic institutions, the day features conferences, technical exhibitions, and awards ceremonies. Universities and companies host seminars on emerging technologies, sustainable infrastructure, and professional ethics. The celebration fosters networking among engineers, students, and industry leaders to share best practices and future trends. Additionally, public outreach events highlight the impact of engineering on society, from urban planning to environmental solutions. This day underscores the creativity and expertise that engineers bring to solving real-world challenges.
Engineer's Day Colombia

Independence Day, celebrates theindependence proclamationofIndonesiafrom Japan in 1945.

National holiday commemorating Indonesia’s proclamation of independence on August 17, 1945.
Indonesia’s Independence Day marks the historic reading of the Proclamation of Independence by Sukarno and Hatta in Jakarta on August 17, 1945, signaling the end of colonial rule and the birth of a new nation. The day is celebrated nationwide with flag-raising ceremonies, patriotic speeches, and cultural performances. Communities organize parades, traditional games such as panjat pinang, and communal feasts showcasing Indonesia’s diverse heritage. Government buildings and homes are adorned in red and white, the national colors, while schools hold contests and educational events. Families and neighbors gather to honor veterans and reflect on the enduring values of unity and freedom. Festivities culminate in evening fireworks, symbolizing hope and solidarity for the nation’s future.
Independence Day independence proclamation Indonesia

Saint Beatrice of Silva

Saint Beatrice of Silva

Saint Clare of Montefalco

Saint Clare of Montefalco

Saint Hyacinth of Poland

Saint Hyacinth of Poland

Saint Jeanne Delanoue

Saint Jeanne Delanoue

Saint Mammes of Caesarea

Saint Mammes of Caesarea

Samuel Johnson,Timothy Cutler, andThomas Bradbury Chandler(Episcopal Church)

Samuel Johnson Timothy Cutler Thomas Bradbury Chandler Episcopal Church

August 17 (Eastern Orthodox liturgics)

August 17 (Eastern Orthodox liturgics)