April 2013 Educators' Calendar

April Fool's Day

Cigarette Ads Banned from Radio & TV (1970)

Apple Computer Founded (1976)

International Children's Book Day

World Autism Awareness Day

Philadelphia Mint Authorized (1792)

Writer Hans Christian Andersen's Birthday (1805)

First Pony Express Service (1860)

Scientist Jane Goodall's Birthday (1934)

Pres. William H. Harrison Died (1841)

NATO Created (1949)

Martin Luther King Jr. Assassinated (1968)

Microsoft Founded (1975)

Pocahontas Married John Rolfe (1614)

Booker T. Washington's Birthday (1856)

Helen Keller First Learned Sign Language (1887)

Passover Begins at Sundown

Tartan Day

First Modern Olympics (1896)

North Pole First Reached (1909)

U.S. Entered WWI (1917)

U.N. World Health Day

5,000 Suffragists Marched on Washington (1913)

Billie Holiday's Birthday (1915)

Easter

17th Amendment Ratified (1913)

Library Week

Name Yourself Day

Civil War Ended (1865)

First Full-Color Film Shown (1914)

Encourage a Young Writer Day

Joseph Pulitzer's Birthday (1847)

Einstein Revealed Theory of Relativity (1905)

1968 Civil Rights Act Signed (1968)

Civil War Began (1861)

First Man in Space (1961)

Thomas Jefferson's Birthday (1743)

Oxygen Tank Burst on Apollo 13 (1970)

Moment of Laughter Day

Webster's First Dictionary Copyrighted (1828)

Pres. Abraham Lincoln Assassinated (1865)

The Titanic Hit Iceberg (1912)

Jackie Robinson Day

Leonardo da Vinci's Birthday (1452)

Ray Kroc Acquired McDonald's (1955)

Volunteer Week

Inventor Wilbur Wright's Birthday (1867)

Hockey Great Wayne Gretzky Retired (1999)

Daffy Duck Debuted (1937)

Ford Mustang Debuted (1964)

International Jugglers Day

Paul Revere Day

Holocaust Remembrance Day

American Revolution Began (1775)

Okla. City Bombing Killed 168 (1995)

First Game Played at Fenway Park (1912)

Columbine High School Shooting Killed 15 (1999)

Gulf of Mexico Oil Spill (2010)

City of Rome Founded (753 BC)

Earth Day

Jelly Bean Day

First Earth Day Observed (1970)

World Book & Copyright Day

Shakespeare's Birthday (1564)

YouTube Launched (2005)

Library of Congress Established (1800)

Mailbox Inventor Born (1815)

Spain Declared War on U.S. (1898)

First Use of Name "America" (1507)

First License Plates Required (1901)

Ella Fitzgerald's Birthday (1917)

Take Our Daughters & Sons to Work Day

John Wilkes Booth Killed (1865)

Studio 54 Disco Opened (1977)

Chernobyl Nuclear Reactor Disaster (1986)

Tell a Story Day

York Captured by U.S. (1813)

Activist Coretta Scott King's Birthday (1927)

Astronomy Day

Pres. James Monroe's Birthday (1758)

Maryland Admission Day (1788)

International Dance Day

Zipper Patented (1842)

Musician Duke Ellington's Birthday (1899)

Prince William Married Kate Middleton (2011)

Louisiana Admission Day (1812)

Casey Jones Died (1900)

Vietnam War Ended (1975)

Screen-Free Week