Historical Holidays

Weights and Measures Day, May 20, 2026: Learn about the significance of standardized units of measurement in daily life, science, trade, and commerce. more >>

National Band Director's Day (5/20/2026) - Honor the dedication and passion of band directors who inspire students through music, building confidence, teamwork, and discipline. more >>

National Memo Day on 5/21/2026: Discover the significance and fun facts behind this unique holiday. more >>

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World Day for Cultural Diversity, May 21, 2026: Embrace the rich tapestry of cultures, traditions, and values that define us, fostering understanding and unity in diversity. more >>

Shavuot: Discover the joyous Jewish holiday honoring the giving of the Torah, marked by all-night study and dairy delights on May 22, 2026. more >>

National Maritime Day, May 22, 2026: Honoring the bravery and sacrifices of mariners, recognizing the industry's significance in the country's history, economy, and development. more >>

Harvey Milk Day, May 22, 2026: Honoring Harvey Milk's legacy as a pioneering LGBTQ+ rights activist and advocate for equality, justice, and human rights. more >>

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Amateur Radio Military Appreciation Day, 5/23/2026: Honoring military bravery and amateur radio's vital role in supporting communication efforts throughout history. more >>

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Pentecost, May 24, 2026: Discover the significance of the Holy Spirit's descent and its impact on the Christian faith. more >>

Aviation Maintenance Technician Day, 5/24/2026: Honoring the unsung heroes who keep our skies safe by ensuring aircraft are in top condition. more >>

Declaration of the Bab, May 24, 2026: A pivotal moment in Baha'i history, marking the Bab's declaration of His mission and the imminent arrival of Baha'u'llah. more >>

Whit Sunday, 5/24/2026: Discover the significance of Pentecost Sunday, a joyous Christian holiday marking the birth of the Church, with vibrant services, traditions, and spiritual renewal. more >>

Whit Monday, 5/25/2026: A vibrant Christian holiday marked by processions, parades, and outdoor gatherings, filled with joy, festivities, and traditional foods. more >>

African Liberation Day, May 25, 2026: Unite with Africans and people of African descent to honor heritage, fight for social justice, and reaffirm Pan-Africanism principles. more >>

Honoring American heroes who made the ultimate sacrifice on Memorial Day, May 25, 2026. more >>

Decoration Day, 5/25/2026: Pay tribute to loved ones who have passed away by decorating their graves and sharing stories of their lives and legacies. more >>

Jefferson Davis' Birthday, May 25, 2026: Commemorating the life and legacy of the President of the Confederate States of America. more >>

National Sorry Day, May 26, 2026: Acknowledge historical injustices, express remorse, and work towards healing and reconciliation for Indigenous Australian communities. more >>

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Discover the truth behind "End of the Middle Ages Day" on 5/29/2026. Is it a real holiday or a myth? more >>

Oak Apple Day, 5/29/2026, discover the charming history behind this English holiday, where oak leaves and galls are worn to honor King Charles II's escape during the English Civil War. more >>

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Trinity Sunday, May 31, 2026: Explore the significance of the Holy Trinity and its mysteries, as churches and cathedrals come alive with symbolic decorations and special prayers. more >>

Statehood Day, June 1, 2026: Discover the traditions, history, and cultural events that make this special day a joyous occasion for states across America. more >>

Western Australia Day, June 1, 2026: Discover the state's rich history, cultural diversity, and natural beauty through cultural performances, exhibitions, and community events. more >>

American Indian Citizenship Day, June 2, 2026: Honoring Native American heritage, struggles, and triumphs, with cultural events, awareness, and unity. more >>

Republic Day Italy, June 2nd, 2026: Discover the significance of Italy's transition from monarchy to republic, marked by grand parades, flag-raising ceremonies, and patriotic events. more >>

Discover the mystery of Chimborazo Day on June 3rd, 2026. Can't find any information on this holiday? more >>

Corpus Christi, 6/4/2026: Join vibrant street festivals, traditional dances, and delicious local cuisine as Catholics reaffirm their faith and devotion to the Holy Eucharist. more >>

National Christian T-Shirt Day on 6/4/2026: Uncover the truth behind this lesser-known holiday. more >>

HIV Long-Term Survivors Day, 6/5/2026, honoring resilience and strength of long-term HIV survivors, sharing stories, support, and awareness. more >>

D-Day, June 6, 2026: Commemorating Allied forces' bravery and sacrifice in World War II, honoring fallen heroes and reflecting on the liberation and freedom they brought. more >>

King's Birthday, 6/6/2026: Join the national holiday honoring a country's monarch with grand parades, cultural performances, and patriotic ceremonies. more >>

Experience the authentic Queensland way of life on Queensland Day, June 6th, 2026. more >>

Russian Language Day, June 6, 2026: Discover the rich cultural heritage and linguistic diversity of Russia through literature, poetry, music, and more. more >>

Native American Day, June 7, 2026: Honor the rich cultural heritage and contributions of Native American communities, learn about their diverse customs and experiences. more >>

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National Cancer Survivors Day, June 7, 2026. Honoring courage, resilience, and triumph over cancer. more >>

National CAPHPACH Day on 6/7/2026: Discover the significance and meaning behind this unique holiday. more >>

Thomas Paine Day, June 8, 2026, honors the American patriot's contributions to the Revolution and founding principles, exploring democracy, freedom, and social justice. more >>

USS Liberty Remembrance Day, June 8, 2026: Honoring the bravery and sacrifice of those who served on the USS Liberty, a US Navy ship attacked in 1967, and remembering the lives lost. more >>

National Earl Day on 6/9/2026: Could this lesser-known holiday be a playful twist on a familiar celebration? Find out more! more >>

Kamehameha Day, June 11, 2026: Honor King Kamehameha I's legacy through colorful parades, traditional performances, and cultural preservation. more >>

National Marriage Day, June 12, 2026. Honor the bond between loving individuals, recognize marriage's benefits, and cherish relationships. more >>

Women Veterans Day, 6/12/2026, honors courageous women who served in the US Armed Forces, recognizing their contributions, sacrifices, and achievements, fostering community, gratitude, and pride. more >>