APRIL HOLIDAYS & OBSERVANCES |
Holiday posters index | March | April | May | search site | |||
| April Observances: | poster links | resource links | ||
| Holocaust Remembrance Month | Holocaust posters | Holocaust Martyrs' & Heroes U.S. Holocaust Museum |
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| Mathematics Education Month | Mathematics Education | |||
| Poetry Month | poetry posters | Poets.org | ||
| Guitar Month | music posters | The History of the Guitar | ||
| Jazz Appreciation Month | Golden Age of Jazz posters | Smithsonian Jazz | ||
| Gardening Month | botany posters | National Gardening Association | ||
| Child Abuse Prevention Month | peace posters | PreventChildAbuse.org | ||
| Frog Month | amphibians posters | Types & Characteristics of Frogs | ||
| Welding Month | vocational posters | History of Welding | ||
| Alcohol Awareness Month | dangers of alcohol poster | US DHHS & SAMHSA Clearinghouse- Alcohol & Drug Information | ||
| Anxiety Month | Anxiety Disorders Assoc of America | |||
| Stress Awareness Month | Dept of Defense Stress Awareness | |||
| Autism Awareness Month | Autism Society of America | |||
| Counseling Awareness Month | health practitioners poster | American Counseling Association | ||
| Occupational Therapy Awareness Month | vocational education posters | American Occupational Therapy Association | ||
| STD Awareness Month | STD poster | American Social Health Association | ||
| Zoo & Aquarium Month also found proclaimed to be June by President Reagan in 1982 | animals posters | American Zoo & Aquarium Assoc. | ||
| First Week of April | ||||
| National Public Health Week | health posters | American Public Health Assoc. | ||
| World Health Day | health posters | World Health Organization (WHO) | ||
| Week of the Young Child | Montessori posters | National Association for the Education of the Young Child | ||
| Second Week of April | ||||
| Astronomy Week - between mid April & mid May near or before 1st quarter moon |
astronomy posters | Astronomical League | ||
| Library Week | literature posters | American Library Association | ||
| Third Week of April | ||||
| Animal Cruelty/Human Violence Awareness Week | peace posters |
• ASPCA - American Society for the Prevention of Cruelty to Animals |
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| Fourth Week of April | ||||
| Administrative Professionals Week/Day 4th week of April / Wednesday |
• vocational posters • women posters |
IAAP - International Association of Administrative Professionals | ||
| April Holidays | ||||
| April 1- All Fool's Day | Fool poster | April Fool's Day Lesson Plan | ||
| April 1- Palm Sunday 2007 / Sunday before Easter | Christianity posters | Religion & Ethics BBC site | ||
| April 2, 2007 - Passover, which begins on the 15th day of Nisan in the Jewish calendar, commemorates the Exodus and freedom of the Israelites from ancient Egypt. | Judaism posters | Judaism 101 | ||
| b. Gautama Buddha celebrated eighth day of the fourth month in the Chinese calendar | Buddhism posters | Wesak Flower Festival- Celebration of Buddha's Birth & Enlightenment | ||
| April 6- Good Friday 2007 (March 21, 2008) | Christianity posters | |||
| April 7 - World Health Day | health posters | World Health Organization (WHO) | ||
| April 8, Easter Sunday 2007 (March 23, 2008) | Christianity posters | |||
| April 13, 14, or 15- Baisakhi, Hindu Solar New Year | Hinduism posters | Baisakhi - Birth of the Khalsa | ||
| April 20-May 2 Ridvån, Bahåi Faith | World's Religions posters | The Bahåi World | ||
| Arbor Day Proclaimed last Friday in April, local observances based on climate. |
trees posters | National Arbor Day Foundation | ||
| April 30 - Walpurgis Night, the eve of May Day | ||||
| April Notable Dates | ||||
| d. 4-1-1204 - Eleanor of Aquataine | Eleanor of Aquataine portrait | Eleanor of Aquataine Resource File | ||
| b. 4-1-1578 - Dr. William Harvey, scientist | William Harvey print | William Harvey Resource File | ||
| b. 4-1-1809 - Nikolai Vasilievich Gogol, author | Gogol print | Gogol Resource File | ||
| b. 4-1-1866 - Ferruccio Benvenuto Busoni, pianist | Busoni print | Ferruccio Benvenuto Busoni Res. File | ||
| b. 4-1-1873 - Sergei Rachmaninov, composer | Rachmaninov print | Sergei Rachmaninov Resource File | ||
| 4-2/8-1513, Ponce de Leon arrival in what is known as Florida | explorer posters |
Florida Heritage Collection | ||
| b. 4-2-1647 - Anna Maria Sibylla Merian, botantist | Anna Maria Sibylla Merian portrait | Anna Maria Sibylla Merian Bio | ||
| b. 4-2-1805 - Hans Christian Andersen, author | HC Andersen posters |
Hans Christian Andersen biography | ||
| b. 4-2-1840 - Emile Zola, author |
Emile Zola posters | Emile Zola Resource File | ||
| b. 4-2-1862 - Nicholas Murray Butler, educator & 1931 Nobel Peace Prize | Nicholas Murray Butler print | Nicholas Murray Butler Resource File | ||
| 4-3-2005, Daylight Savings Begins Northern Hemisphere - First Sunday in April to last Sunday in October. | Persistence of Time, Salvador Dali | World Time Zones | ||
| b. 4-3-1783 - Washington Irving, author | Washington Irving poster | Washington Irving Bio | ||
| b. 4-3-1798 - Charles Wilkes, explorer | Charles Wilkes print | Charles Wilkes Resources File | ||
| b. 4-3-1822 - Edward Everett Hale, author | Edward Everett Hale print | Edward Everett Hale Resource File | ||
| b. 4-3-1934 - Jane Goodall, scientist | Jane Goodall poster | Jane Goodall Resource File | ||
| d. 4-4-1617 - John Napier, mathematician | John Napier print | John Napier Resource File | ||
| b. 4-4-1785 - Bettina von Arnim, author | Bettina von Arnim print | Bettina von Arnim Resource File | ||
| b. 4-4-1802 - Dorothea Dix, reformer | Women Who Dared I poster | Voice for the Mad: The Life of Dorothea Dix |
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| b. 4-4-1928 - Maya Angelou, author | Maya Angelou posters | CP Links for Learning - Angelou | ||
| d. 4-4-1968 - Martin Luther King Jr., civil rights leader, assassinated | Martin Luther King Jr. posters | CP Links for Learning - MLKing | ||
| b. 4-5-1588 - Thomas Hobbes, philosopher | Thomas Hobbes print | Thomas Hobbes Resource File | ||
| b. 4-5-1827 - Dr. Joseph Lister, scientist | Dr. Joseph Lister print | Joseph Lister Resource File | ||
| b. 4-5-1856 - Booker T. Washington, educator | Booker T. Washington posters | CP Links for Learning - B. T. Washington | ||
| b. 4-5-1908 - Bette Davis, actress | Bette Davis LIFE Magazine print | Bette Davis Resource File | ||
| 4-5-1930 - Salt March, India | Gandhi posters | CP Links for Learning - Gandhi | ||
| b. 4-6-1483 - Raphael, artist | Raphael print | Raphael Resource File | ||
| b. 4-16-1911 - Feodor Lynen, biologist | Feodor Lynen print | Feodor Lynen Resource File | ||
| b. 4-7-1770 - William Wordsworth, poet | Wordsworth print | Wm Wordsworth Bio | ||
| b. 4-7-1803 - Flora Tristan, suffragette | Flora Tristan print | Flora Tristan Resource File | ||
| b. 4-7-1884 - Bronislaw Malinowski, anthropologist | Bronislaw Malinowski photo | Bronislaw Malinowski Resource File | ||
| 4-7-1805 - Lewis & Clark break winter camp with Mandans, continue west | Lewis & Clark posters | Lewis & Clark Resource File | ||
| b. 4-7-1889 - Gabriela Mistral, author | Gabriela Mistral print | Gabriela Mistral Resource File | ||
| b. 4-7-1915 - Billie Holliday, singer | Billie Holliday poster | Billie Holliday Resource File | ||
| b. 4-7-1915 - Yul Brynner, actor | Yul Brynner photo | Yul Brynner Resource File | ||
| 4-7-1943 - First synthesis of LSD, lysergic acid diethylamide, by Albert Hoffman | LSD Resource File | |||
| b. 4-7-1969 - The Internet's symbolic birth - publication of RFC 1. | Internet posters | Internet History Resource File | ||
| 4-7-1983 - 1st Space Shuttle Space Walk | astronauts posters | STS-6 Resource File | ||
| b. 4-8-563 BC - Gautama Buddha | Buddhism posters | |||
| 4-8-1913, 17th Amendment- Direct Election of Senators | Bill of Rights posters | |||
| 4-8-2005, Hybrid Solar Eclipse, S. Pacific | astronomy posters | NASA Eclipse Home Page | ||
| 4-9-1821 - Charles Baudelaire, Paris, France | Charles Baudelaire print | Charles Baudelaire Resource File | ||
| b. 4-9-1830 - Eadweard Muybridge, photographer | Animals in Motion prints | Eadweard Muybridge Resource File | ||
| 4-9-1865 - Lee Surrenders to Grant at Appomattox, VA | Civil War posters | Heritage Preservation Services | ||
| b. 4-9-1898 - Paul Robeson - NJ |
Paul Robeson poster | Paul Robeson Resource File | ||
| b. 4-9-1906 - Victor Vasarely, artist | Victor Vasarely print | Victor Vasarely Resource File | ||
| 4-10-1806 - Juliette Drouet, actress | Juliette Drouet print | Juliette Drouet Resource File | ||
| 4-10-1815 - Mount Tambora, Indonesia, most violent eruption in recorded history | volcano posters | Mount Tambora Resource File | ||
| b. 4-11-1749 - Adélaïde Labille-Guiard, artist | Adélaïde Labille-Guiard print | Adélaïde Labille-Guiard Resource File | ||
| b. 4-11-1777 - Henry Clay, politician | Henry Clay Resource File | |||
| 4-11-1947 - Jackie Robinson is the first African American to play in a modern-day Major League Baseball game. | Jackie Robinson posters | CP Links for Learning : Robinson | ||
| 4-11-1968 - Lyndon B. Johnson signs the Civil Rights Act of 1968, prohibiting discrimination in the sale, rental, and financing of housing. | civil rights posters | Lyndon B. Johnson Library, Civil Rights Timeline | ||
| 4-12-1861 - Confederate batteries opened fire on Ft. Sumter, Charleston, SC | Civil War posters South Carolina posters |
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| b. 4-12-1884 - Otto Fritz Meyerhof, biologist | Otto Fritz Meyerhof print | Otto Fritz Meyerhof Resource File | ||
| b. 4-12-1898 - Lily Pons, opera singer | Lily Pons print | Lily Pons Resource File | ||
| 4-12-1961 - First human space flight mission, Vostok 1, sent Yuri Gagarin to Earth orbit and returned him safely to Earth. | astronauts posters | |||
| 4-12-1981 - First Space Shuttle launch, Columbia, STS-1 with John W. Young and Robert Crippin (returns 4-14) | astronauts posters | |||
| b. 4-13-1743 - Thomas Jefferson, US President | Thomas Jefferson print | Monticello | ||
| b. 4-13-1909 - Eudora Welty, author | Eudora Welty - Library of America | |||
| b. 4-13-1933 - Ben Nighthorse Campbell, politician | Ben Nighthorse Campbell poster | Ben Nighthorse Campbell Resource File | ||
| 4-14-1629 - Christiaan Huygens, astronomer | Christiaan Huygens print | Christiaan Huygens Resource File | ||
| 4-14-1865 - Abraham Lincoln Assassinated | Lincoln posters | CP Links for Learning : Lincoln | ||
| b. 4-14-1889 - Arnold J. Toynbee, historian | Arnold J. Toynbee TIME cover | Arnold J. Toynbee Resource File | ||
| 4-14/15-1912 - RMS Titanic strikes an iceberg on its maiden voyage - it finishes sinking at about 2:20 am the next day. | Titanic Art Print | Titanic Resource File | ||
| b. 4-15-1452 - Leonardo da Vinci, artist | Leonardo da Vinci posters | CP Links for Learning : Da Vinci | ||
| b. 4-15-1707 - Leonard Euler, mathematician | Leonard Euler print | Leonard Euler Resource File | ||
| b. 4-15-1786 - Sir John Franklin, explorer | John Franklin print | John Franklin Resource File | ||
| b. 4-15-1800 - James Clark Ross, explorer | James Clark Ross print | James Clark Ross Resource File | ||
| b. 4-15-1812 - Théodore Rousseau, artist | Théodore Rousseau print | Théodore Rousseau Resource File | ||
| b. 4-15-1843 - Henry James, author | Henry James print | Henry James Resource File | ||
| b. 4-15-1889 - Thomas Hart Benton, artist | Thomas Hart Benton TIME Magazine cover | Thomas Hart Benton Resource File | ||
| b. 4-15-1894 - Bessie Smith, singer | Bessie Smith print | The Essential Bessie Smith, CD | ||
| b. 4-15-1899 - A. Philip Randolph, civil rights activist | A. Philip Randolph posters | CP Links for Learning : Randolph | ||
| b. 4-15-1904 - Arshile Gorky, artist | Arshile Gorky art print | Arshile Gorky Resource File | ||
| b. 4-15-1907 - Nikolaas Tinbergen, zoologist | Nikolaas Tinbergen print | Nikolaas Tinbergen Resource File | ||
| 4-15 U.S. Personal Income Tax Deadline | IRS | |||
| b. 4-16-1755 - Marie Louise Elisabeth Vigee-Lebrun, artist | Marie Louise Elisabeth Vigee-Lebrun print | Marie Louise Elisabeth Vigee-Lebrun Resource File | ||
| b. 4-16-1821 - Mary Baker Eddy | Mary Baker Eddy print | Mary Baker Eddy Resource File | ||
| b. 4-16-1844 - Anatole France, author | Anatole France print | Anatole France | ||
| b. 4-16-1867 - Wilber Wright, aviator | Wright Bros posters | Wright Brothers Bio | ||
| b. 4-16-1947 - Kareem Abdul-Jabbar, basketball player | Kareem Abdul-Jabbar photo | Kareem Abdul-Jabbar Resource File | ||
| b. 4-17-1879 - Agnes Borgo, opera singer | Agnes Borgo print | Agnes Borgo Bio | ||
| b. 4-17-1897 - Thornton Wilder, author | Thornton Wilder poster | Thornton Wilder Society | ||
| 4-17-1970 - Apollo 13 spacecraft returns to Earth safely. | astronauts posters | Apollo 13 article | ||
| b. 4-18-1480 - Lucrezia Borgia | Lucrezia Borgia poster | Lucrezia Borgia Resource File | ||
| 4-18-1775 - Paul Revere, William Dawes and Samuel Prescott ride to warn of impending arrests of Samuel Adams and John Hancock and seizure of weapons. Only Prescott finishes the ride. | Paul Revere poster | Paul Revere Resource File text The Midnight Ride of Paul Revere |
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| 4-18-1906- San Francisco Earthquake | Earth Process posters | San Francisco Earthquake article | ||
| d. 4-18-1955 - Albert Einstein, physicist | Albert Einstein posters | CP Links for Learning - Einstein | ||
| 4-19-1775 - Battle of Lexington & Concord /Patriots Day (obs. 3rd Monday of April) | American Revolution posters | Minute Man National Historic Park | ||
| b. 4-19-1849 - Eva Gonzales, artist | Eva Gonzales print | Eva Gonzales Resource File | ||
| b. 4-19-1868 - Max von Schillings, composer | Max von Schillings print | Max von Schillings Resource File | ||
| 4-19-1995 - Alfred P. Murrah Federal Building in Oklahoma City, Oklahoma is bombed, killing 168. | The Face of Terror, TIME Magazine Cover, 5-1-1995 | Oklahoma City bombing | ||
| b. 4-20-571 - Muhammad (likely date) | Islam posters | Muhammed Resource File | ||
| b. 4-20-1889 - Adolf Hilter, Austria-Hungary | WW II posters | |||
| b. 4-20-1893 - Joan Miró, painter | Joan Miró poster | Joan Miró Resource File | ||
| 4-20-1999 - Columbine HS Massacre | Bowling for Columbine movie poster | No Easy Answers: The Truth Behind Death at Columbine | ||
| d. 4-21-1109 - Saint Anselm, theologian | Saint Anselm print | Saint Anselm Resource File | ||
| b. 4-21-1816 - Charlotte Brontë, author | Charlotte Brontë posters | Brontë Links for Learning | ||
| b. 4-21-1838 - John Muir, environmentalist | John Muir poster | John Muir Resource File | ||
| b. 4-21-1926 - Queen Elizabeth II | Queen Elizabeth II print | Queen Elizabeth II Resource File | ||
| b. 4-21-1931 - Bridget Riley, artist | Bridget Riley print | Bridget Riley Resource File | ||
| b. 4-22-1451 - Queen Isabella of Castile | Queen Isabella print | Queen Isabella of Castile Resource File | ||
| b. 4-22-1707 - Henry Fielding, author | Henry Fielding portait | Henry Fielding : A Literary Life | ||
| b. 4-22-1724 - Immanuel Kant, philosopher | Immanuel Kant print | • Immanuel Kant Resource File • Kant: A Very Short Introduction |
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| b. 4-22-1766 - Anne-Louise de Stael, author | Anne-Louise de Stael print | Anne Louise Germaine de Staël Resource File | ||
| b. 4-22-1840 - Odilon Redon, artist | Odilon Redon print | Odilon Redon Resource File | ||
| b. 4-22-1891 - Nicola Sacco, Italy | Nicola Sacco Images of Labor poster | |||
| b. 4-22-1899 - Vladimir Nabokov, author | Vladimir Nabokov print | Vladimir Nabokov Resource File | ||
| b. 4-22-1922 - Charles Mingus, musician | Jazz posters | Charles Mingus Resource File | ||
| d. 4-22-1994 - Richard Nixon (b. 1913) | Nixon print | White House Bio - Nixon | ||
| 4-22-1970 - First Earth Day celebrated | ecology posters | • Earth Day: Keeping Our Planet Clean | ||
| b. 4-23-1564 - William Shakespeare, author | Shakespeare posters | CP Links for Learning - Shakespeare | ||
| b. 4-23-1775 - Joseph M. W. Turner, artist | Turner posters & prints | J. M. W. Turner Resource File | ||
| b. 4-23-1791 - James Buchanan, US President | James Buchanan print | White House Bio- Buchanan | ||
| b. 4-23-1857 - Reggero Leoncavello, composer | Reggero Leoncavello print | Reggero Leoncavello Resource File | ||
| b. 4-23-1897 - Lester B. Pearson, statesman | Lester B. Pearson TIME Magazine cover | Lester B. Pearson Resource File | ||
| b. 4-23-1902 - Halldor Laxness, author | Halldor Laxness print | Halldor Laxness Resource File | ||
| b. 4-23-1928 - Shirley Temple, actress | Shirley Temple movie poster | Shirley Temple Resource File | ||
| d. 4-24-1731 - Daniel Defoe, author | Daniel Defoe print | Daniel Defoe Resource File | ||
| 4-24-1800 - Library of Congress founded | The Library of Congress | |||
| b. 4-24-1904 - Willem de Kooning, artist | Willem de Kooning art print | Willem de Kooning Resource File | ||
| b. 4-24-1934 - Shirley MacLaine, actress | Shirley MacLaine TIME cover | Shirley MacLaine Resource File | ||
| 4-24-1990 - The Hubble Space Telescope is launched by Space Shuttle Discovery. | Hubble posters | Hubble Resource File | ||
| b. 4-25-1840 (o.s.)- Pyotr Ilyich Tchaikovsky | Tchaikovsky posters | Tchaikovsky Resource File | ||
| b. 4-25-1874 - Guglielmo Marconi, scientist & inventor | Guglielmo Marconi print | Guglielmo Marconi Resource File | ||
| b. 4-25-1900 - Wolfgang Pauli | Wolfgang Pauli print | Wolfgang Pauli Resource File | ||
| b. 4-25-1917 - Ella Fitzgerald, singer | Ella Fitzgerald posters | CP Links for Learning - Fitzgerald | ||
| b. 4-25-1928 - Cy Twombly, artist | abstract expressionist posters | Cy Twombly Resource File | ||
| 4-25-1945 - The United Nations is organized in San Francisco, California, by 50 nations. | peace posters | United Nations: The First Fifty Years | ||
| 4-25-1953 - Francis Crick and James D. Watson publish description of the double helix structure of DNA. | DNA poster | DNA: The Secret of Life | ||
| 4-25-1959 - The first person now known to have AIDS enters a hospital. | HIV/AIDs poster | The River: A Journey to the Source of HIV & AIDS | ||
| b. 4-26-121 AD. - Marcus Aurelius | Marcus Aurelius print | Marcus Aurelius Resource File | ||
| b. 4-26-1711 - David Hume, philosopher | David Hume print | David Hume Resource File | ||
| b. 4-26-1785 - John James Audubon, ornithologist & artist | John James Audubon portrait | John James Audubon Resource File | ||
| b. 4-26-1798 - Eugène Delacroix, artist | Delacroix prints | • Eugène Delacroix Resource File • Eugène Delacroix- Getting to Know the World's Great Artistis |
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| b. 4-26-1917 - I. M. Pei, architect | I. M. Pei poster | architecture posters | ||
| 4-26-1986 - The Chernobyl, Ukraine nuclear plant explodes, creating the world's worst nuclear disaster. | Chernobyl TIME cover | • Chernobyl Resource File • Voices from Chernobyl |
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| b. 4-27-1737 - Edward Gibbon, author & historian | Edward Gibbon portrait | Edward Gibbon Resource File | ||
| b. 4-27-1759 - Mary Wollstonecraft, author & feminist | Mary Wollstonecraft poster | CP Links for Learning - Wollstonecraft | ||
| b. 4-27-1822 - Ulysses S. Grant, 18th President | U. S. Grant print | White House Bio- Grant | ||
| b. 4-27-1891 - Sergei Prokofiev, composer | Sergei Prokofiev print | Sergei Prokofiev Resource File | ||
| b. 4-28-1758 - James Monroe, 5th President | James Monroe print | White House Bio- Monroe | ||
| 4-28-1788 - Maryland Admission Day, 7th | Maryland posters | Maryland History & Culture | ||
| 4-28-1788 - Harper Lee, author | To Kill a Mockingbird movie poster | Harper Lee Resource File | ||
| 4-28-1947 - Thor Heyerdahl and five crewmates set out from Peru on the Kon-Tiki to prove that Peruvian natives could have settled Polynesia. | ||||
| b. 4-29-1899 - Duke Ellington, composer | Duke Ellington posters | CP Links for Learning - Ellington | ||
| b. 4-30-1870 - Franz Lehar, composer | Franz Lehar print | Franz Lehar Resource File | ||
| b. 4-30-1777 - Carl Friedrich Gauss, mathematician | Carl Friedrich Gauss portrait | Carl Friedrich Gauss Resource File | ||
| 4-30-1803 - Louisiana Purchase 4-30-1812 - Louisiana Admission Day |
Louisiana posters | Louisiana History | ||
| b. 4-30-1833 - Hortense Schneider, opera singer | Hortense Schneider print | Hortense Schneider Resource File | ||