National Supply Chain Day
National Supply Chain Day is observed on April 29. This day is dedicated to recognizing the complex network of professionals, technologies, and logistics that ensure products move from raw materials…
National Shrimp Scampi Day
National Shrimp Scampi Day is observed on April 29. This food holiday celebrates a classic Italian-American dish consisting of shrimp sautéed in a sauce made of butter, garlic, lemon juice,…
National Zipper Day
National Zipper Day is observed on April 29. This day commemorates the anniversary of the 1913 patent for the modern zipper, an invention that fundamentally changed the fashion and manufacturing…
International Day of Immunology
The International Day of Immunology is observed on April 29. Established by international medical societies, this day promotes the importance of the immune system as a cornerstone of human health….
Machynlleth Comedy Festival
The Machynlleth Comedy Festival is observed annually over the May Day bank holiday weekend. In 2026, it falls from May 1 to May 3. This three-day event takes place in…
National Peace Rose Day
National Peace Rose Day is observed on April 29. This day celebrates the “Peace” rose, a specific variety of hybrid tea rose that has become one of the most famous…
Independent Bookstore Day
Independent Bookstore Day is observed on the last Saturday of April. In 2026, it falls on April 25. This nationwide event serves as a one-day party that celebrates the cultural…
International Day for the Foundation of the Organization for the Prohibition of Chemical Weapons
The International Day for the Foundation of the Organization for the Prohibition of Chemical Weapons is observed on April 29. This day marks the anniversary of the entry into force…
Denim Day
Denim Day is observed on the last Wednesday of April. In 2026, it falls on April 29. This international campaign encourages people to wear jeans as a visible means of…
World Wish Day
World Wish Day is observed on April 29. In 2026, it falls on April 29. This global celebration marks the anniversary of the first wish that inspired the creation of…