April, 2021 Calendar with holidays, observances and special days

Why can’t you tickle yourself? Scientists have discovered that the feeling experienced when we are tickled causes us to panic and is a natural defense to little creepy cr..→

Confederate History Month and related celebrations have been controversial due to the contentious place of slavery in the history of the United States. When Virginia Gove..→

’Some books are to be tasted, others to be swallowed, and the other few to be chewed and digested’ - said Sir Francis Bacon. Seems like some people took his words quite l..→

Maundy Thursday (also known as Holy Thursday, Covenant Thursday, Great and Holy Thursday, Sheer Thursday, and Thursday of Mysteries) is the Christian holy day falling on ..→

Child abuse or child maltreatment is any act, or failure to act, by a parent or other caregiver that results in actual or potential harm to a child. It includes all forms..→

Good Friday is a Christian religious holiday commemorating the crucifixion of Jesus Christ and his death at Calvary. The holiday is observed during Holy Week as part of t..→

Since 1967, on or around Hans Christian Andersen’s birthday, 2 April, International Children’s Book Day (ICBD) is celebrated to inspire a love of reading and to call atte..→

Pascua Florida Day is celebrated as a state day in Florida, the United States. It usually falls on April 2. It is the anniversary of the discovery of Florida in 1513 by J..→

Autism and other forms of disability are part of the human experience that contributes to human diversity. As such, the United Nations has emphasized the need to mainstre..→

Easter, also called Resurrection Sunday, is the most important Christian holiday celebrating Jesus Christ returning from the dead on the third day after his crucifixion ..→

On 8 December 2005, the General Assembly declared that 4 April of each year shall be observed as the International Day for Mine Awareness and Assistance in Mine Action. R..→

There are a lot of food holidays and, let’s be honest, celebrating some of them is not particularly good for your health. But not the World Carrot Day! Eating this joyful..→

April 4 is the day to give special attention to the 600.000.000 stray animals in the world. Dogs and cats should have a home. But stray dogs and stray cats don’t. They l..→

Easter Monday in U.S. Virgin Islands is the day after Easter Sunday and is a holiday in some countries. Easter Monday in the Western Christian liturgical calendar is the ..→

Opening Day is the day on which professional baseball leagues begin their regular season. For Major League Baseball and most of the minor leagues, this day typically fall..→

On March 2, 1903 the California poppy, Eschscholzia californica, became the official state flower of California (Ca. Government Code Section 421). The plant’s bright oran..→

The International Day of Sport for Development and Peace (IDSDP) is an annual celebration that highlights and promotes the power of sport as a catalyst for social change ..→

Tartan Day is a celebration of Scottish heritage on April 6, the date on which the Declaration of Arbroath was signed in 1320. An ad hoc event was held in New York City i..→

The Rwandan Genocide was a genocidal mass slaughter of Tutsi and moderate Hutu in Rwanda by members of the Hutu majority. During the approximate 100-day period from April..→

Achieving Universal health coverage (UHC) is one of the key targets of the 2030 Agenda for Sustainable Development, and it is the focus of World Health Day in 2019. UHC ..→

The International Romani Day (April 8) is a day to celebrate Romani culture and raise awareness of the issues facing Romani people. The day was officially declared in 19..→

Many Americans across the United States pause to remember the sacrifices and service of those who were prisoners of war (POW), as well as those who are missing in action ..→

Celebrating pets and encouraging adoption April 11th. National Pet Day was founded in 2006 by Pet & Family Lifestyle Expert, Animal Welfare Advocate Colleen Paige, to..→

World Parkinson’s Day is supported by the European Parkinson’s Disease Association. James Parkinson was an English surgeon, apothecary, geologist, palaeontologist, and p..→

The General Assembly, in its resolution A/RES/65/271 of 7 April 2011, declared 12 April as the International Day of Human Space Flight (IDHSF) “to celebrate each year at ..→

"The American’s Creed" is the title of a resolution passed by the U.S. House of Representatives on April 3, 1918. It is a statement written in 1917 by William T..→

The Ohio Senate January 29, 2014 passed Senate Bill 227, sponsored by State Senator Bill Beagle (R–Tipp City), which would name the second Tuesday of each April as “Inter..→

It is believed that Muhammad received the first revelation during Ramadan. Ramadan also transliterated Ramazan, Ramzan, Ramadhan, or Ramathan) is the ninth month of the ..→

He was a great grandfather. He had 12 grandchildren, and many of them lived with him at the same time. He would organize races for the kids on the enormous lawn of Montic..→

In California, planners have organized family gatherings, picnics and other events to mark that historic event. Emancipation Day in California: April 15 – EDD offices ar..→

Emancipation Day Celebrations April 16. Sketch of the celebration of the Abolition of Slavery in DC. On that day in 1862, President Abraham Lincoln signed the Compensate..→

The idea to devote a special day, each year on April 16, to the voice was originally launched in 1999 by the Brazilian Society of Laryngology and Voice. It was the result..→

On April 17, American Samoa celebrates the Flag Day. On this day in 1900 these Eastern Samoan islands became part of the United States family. At the turn of the twentie..→

There are two types of hemophilia. Each type is linked to a low level of a certain clotting factor. Hemophilia A is the more common type and is linked to low levels of cl..→

The International Day for Monuments and Sites was proposed by the International Council on Monuments and Sites (ICOMOS) on 18 April 1982 and approved by the General Assem..→

Jose de Diego’s memory has been honored in Puerto Rico by having his birthdate observed as an official holiday as well as the naming of schools, avenues, and a highway af..→

Patriots’ Day is an official state holiday in Maine, Massachusetts and Wisconsin commemorating the anniversary of the Battles of Lexington and Concord, the first battles ..→

Wisconsin Public School Observance Day to mark the date in 1775 when shots were fired in Lexington, beginning of the Revolutionary War. (Event Date: April 19) On April 1..→

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

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

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 won its independence from M..→

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

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

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

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, organized by the United N..→

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

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 weigh about 1.2 grams. DN..→

World Malaria Day (WMD) is an international observance commemorated every year on 25 April and recognizes global efforts to control malaria. Globally, 3.3 billion people ..→

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

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

Whereas, the Legislature has designated the last Monday of April as the day for the observance of Confederate Memorial Day, and under the provisions of Section 3-3-7, Mis..→

World Intellectual Property Day is observed annually on 26 April. The event was established by the World Intellectual Property Organization (WIPO) in 2000 to "raise ..→

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

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 commemorations and special edu..→

Millions of people across the world will wear jeans with a purpose, support survivors, and educate themselves and others about all forms of sexual violence. The campaign..→

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 and has been observed by ..→

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

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

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 warfare, as well as to reaffi..→

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 trees. Today, many countries o..→

International Jazz Day is a yearly event on 30 April, organized by UNESCO to celebrate “the virtues of jazz as an educational tool, and a force for peace, unity, dialogue..→