«Presidents’ Day»

Wisconsin Public School Observance Day to mark the date in 1775 when shots were fired in Lexington, beginning of the Revolutionary War. (Event D..→

Astronomy Day is an annual event in the United States intended to provide a means of interaction between the general public and various astronom..→

John Muir (April 21, 1838 – December 24, 1914) was a Scottish-American naturalist, author, environmental philosopher and early advocate of prese..→

San Jacinto Day is the celebration of the Battle of San Jacinto on April 21, 1836. It was the final battle of the Texas Revolution where Texas w..→

It is imperative we use creativity in problem-solving to address the challenges we face. Traditional thinking will no longer do, - Ambassador I...→

Earth Day is an annual event, celebrated on April 22, on which day events worldwide are held to demonstrate support for environmental protection..→

Wisconsin Public School Observance Day, marking the anniversary of Earth Day and urging schools to conduct programs across subject areas to enha..→

While Florida would later join Georgia in marking April 26 as Confederate Memorial Day, other states celebrated different dates. By 1916, ten so..→

World Book Day or World Book and Copyright Day (also known as International Day of the Book or World Book Days) is a yearly event on April 23rd,..→

World Day for Laboratory Animals on April 24 is a United Nations recognized day of international commemoration of the suffering and killing of m..→

Administrative Professionals Day (also known as Secretaries Day or Admin Day) is an unofficial secular holiday observed in several countries to ..→

Interesting facts: Scientific calculations, the DNA of all living people, which is more than 7.6 billion people will fit in a teaspoon and will ..→

World Malaria Day (WMD) is an international observance commemorated every year on 25 April and recognizes global efforts to control malaria. Glo..→

Confederate Memorial Day in Florida - Local observance: When April 26 is a Sunday, it is recognized the following Monday. History: White settle..→

World Intellectual Property Day is observed annually on 26 April. The event was established by the World Intellectual Property Organization (WIP..→

Arbor Day (or Arbour; from the Latin arbor, meaning tree) is a holiday in which individuals and groups are encouraged to plant and care for tree..→

Emma Rowena Gatewood, better known as Grandma Gatewood (October 25, 1887–June 4, 1973), was an extreme hiker and ultra-light hiking pioneer who ..→

The Days of Remembrance of the Victims of the Holocaust (DRVH) is an annual 8-day period designated by the United States Congress for civic comm..→

The World Day for Safety and Health at Work is an annual international campaign to promote safe, healthy and decent work. It is held on 28 April..→

The Day of Remembrance for all Victims of Chemical Warfare is an annual event held on April 29 as a "tribute to the victims of chemical war..→

Ohio Revised Code - GENERAL PROVISIONS - Chapter 5: STATE INSIGNIA; SEALS; HOLIDAYS: 5.2238 Heritage and freedom flag of the former republic of ..→

International Dance Day was introduced in 1982 by the International Dance Council (CID, Conseil International de la Danse), a UNESCO partner NGO..→