Friday
June 23, 2017
23 holidays and observances fall on this day.
International Olympic Day
International Olympic Day is observed on June 23 to promote sport, movement, and Olympic values for people of all ages.
International Women in Engineering Day
International Women in Engineering Day (INWED) is a global observance that applauds the impressive work carried out by women engineers.
World Whistleblowers Day
Observe World Whistleblowers Day on June 23 by recognizing the vital role of whistleblowers in promoting transparency and accountability.
International Widows' Day
Observe International Widows' Day to raise awareness about the challenges faced by widows worldwide and to advocate for their rights and empowerment.
St John's Eve
St John's Eve is observed on June 23 as a midsummer vigil linked to St. John the Baptist, bonfires, and seasonal customs.
United Nations Public Service Day
United Nations Public Service Day is observed on June 23 to recognize public servants and the value of effective public institutions.
National Pink Day
National Pink Day is observed on June 23 to enjoy the color pink through clothing, flowers, food, crafts, and personal style.
National Hydration Day
National Hydration Day is observed on June 23 to promote water intake, heat safety, and healthy hydration habits.
Pink Flamingo Day
Pink Flamingo Day is observed on June 23 to honor the plastic lawn flamingo and its quirky place in American pop culture.
Let it Go Day
Let It Go Day is observed on June 23 to release grudges, regrets, worries, and clutter that weigh people down.
National Detroit Style Pizza Day
National Detroit-Style Pizza Day is observed on June 23 to enjoy Detroit’s square pizza and its crispy cheese-edged crust.
National Typewriter Day
National Typewriter Day is observed on June 23 to honor typewriters, mechanical writing, and the history of typing.
National Porridge Day
National Porridge Day is observed on June 23 to enjoy warm grain bowls, simple breakfasts, and comforting food traditions.
National Family Owned & Operated Businesses Day
National Family Owned & Operated Businesses Day is observed on June 23 to honor family-run companies and local business legacies.
National Pecan Sandies Day
National Pecan Sandies Day is observed on June 23 to enjoy buttery pecan shortbread cookies and simple home baking.
SAT Math Day
SAT Math Day is observed on June 23 to focus on SAT math practice, test skills, and student preparation.
Amazon Prime Day
Amazon Prime Day in June 2026 brings member-only deals across tech, home, fashion and more. Learn its history, why it matters, and how to shop smart.
Kupala Night
Celebrate Kupala Night a traditional Slavic festival marking the summer solstice with rituals of fire, water, and folklore. Discover its history and significance.
National Day of Luxembourg
National Day of Luxembourg is observed on June 23 to mark the Grand Duke’s official birthday and national unity.
Glastonbury Festival
Glastonbury Festival is a late-June UK event with no 2026 date as Worthy Farm takes a fallow year.
National Day of Remembrance for Victims of Terrorism in Canada
National Day of Remembrance for Victims of Terrorism in Canada is observed on June 23 to honor victims of terrorism.
Reserves Day
Reserves Day UK is observed on the Wednesday of Armed Forces Week to recognize UK reservists and their service.
Jura Independence Day
Jura Independence Day is observed on June 23 to commemorate the 1974 vote that led to Switzerland’s Canton of Jura.
Coming up next
Midsummer
Midsummer celebrates the gifts of nature with traditional festivities, dancing, and feasting. Join in the joyful appreciation of summer's peak.
World UFO Day (unofficial)
World UFO day is celebrated on July 2 in commemoration of the Roswell UFO incident. It is meant to raise awareness about the existence of UFOs.
International Fairy Day
Celebrate International Fairy Day on June 24 with magic, imagination, and whimsical traditions that honor fairy folklore and fantasy.
International St. Johns Day
International St. Johns Day is observed on June 24 to honor Saint John the Baptist and related Christian feast traditions.
International Ragweed Day
Recognize International Ragweed Day — join communities worldwide to remove ragweed before it blooms and ease allergy season.
Upcycling Day
Upcycling Day is observed on June 24 to promote creative reuse, waste reduction, and sustainable everyday living.
International Scoliosis Awareness Day
International Scoliosis Awareness Day is observed on the last Saturday of June to promote early detection and support.
Swim a Lap Day
Swim a Lap Day is observed on June 24 to enjoy swimming, simple exercise, and practical water safety.