Social, celebratory and often informal observances built around shared activities, interests or community participation.
EPA’s 1996 Reusable News documents the first annual Use Less Stuff Day on 16 November 1995, one week before Thanksgiving, and identifies the original campaign coalition; contemporary Washin…
Bud Bilanich’s own creator announcement states that he created Use Your Common Sense Day as an annual November 4 event in 2007 and selected the date because it is Will Rogers’ birthday; lat…
Wellcat’s creator calendar lists Walk on Your Wild Side Day on April 12 and identifies Wellcat Holidays as creations of Thomas and Ruth Roy; independent observance coverage also credits Tho…
Visit Sweden identifies Walpurgis Eve (Valborg) on 30 April as a recurring Swedish spring tradition with bonfires, singing and community gatherings, while May Day on 1 May is a separate pub…
The first-party Wellcat Holidays calendar lists What if Cats & Dogs Had Opposable Thumbs Day on March 3 and identifies the collection as created by Thomas and Ruth Roy.
Japan National Tourism Organization identifies White Day on 14 March as a Japanese gift-giving custom; Japanese public-sector and industry-history material supports the national confectione…
Samoa Tourism explains White Sunday as a major Samoan children’s and church observance; official mission calendars document the adjacent 2026 holiday observance.
The first-party Wellcat Holidays calendar lists Wonderful Weirdos Day on September 9 and identifies the collection as created by Thomas and Ruth Roy.
The official World Compliment Day and Dutch National Compliment Day sites identify Hans Poortvliet as the driving force/initiator, March 1 as the recurring date, and the Dutch predecessor a…
WSBI traces World Savings Day to World Thrift Day established at the 1st International Thrift Congress in Milan on 31 October 1924 and says members continue to mark October 31; India docume…
The Harvey Ball World Smile Foundation states that Harvey Ball created World Smile Day in 1999, that it is held on the first Friday in October, and that the Foundation now sponsors the obse…
Young Mizo Association history dates its founding to 15 June 1935; Mizoram government sources continue to mark 15 June as YMA Foundation Day, and reviewed state holiday calendars list YMA D…
Yorkshire Ridings Society material states that the Society first organised Yorkshire Day in 1975 and chose 1 August for the Minden/white-rose connection; government and current civic materi…
Creator Nancy Christie says she created Zero-Tasking Day in 2005 around the U.S. return to standard time; current creator-profile and contemporaneous publisher material support the first-Su…
