| 1- April Fool's Day |
| 1- One Cent Day |
| 1- Conrail Birthday 1976 |
| 1- Dollar Sign ($) Birthday 1778 |
| 1- Sliced Bread Birthday 1954 |
| 1- American Firefighters Day |
| 1- Apple Computer Birthday 1976 |
| 1- Boomerang Birthday (TV station 2000) |
| 1- Kick Butts Day (Kids Anti-Tobacco, First Wednesday in April) |
| 1- Conrail Birthday 1976 |
| 1- Meat Loaf Appreciation Day |
| 1- Do Something Undignified Day |
| 1- General Hospital's Birthday 1963 |
| 1- Yo-Yo Birthday 1929 |
| 1- Palm Sunday |
| 1- Dishwasher Birthday 1889 |
| 2- Hans Christian Anderson's Birthday |
| 2- International Children's Book Day |
| 2- National Ferret Day |
| 2- Teen Hockey Day (1980, Wayne Gretzky became the first teenager to score 50 goals during an NHL hockey season) |
| 2- U.S. Mint Birthday 1792 |
| 2- Velcro's Birthday 1978 |
| 2- Great Lovers Day (Casanova's birthday) |
| 2- National Peanut Butter & Jelly Day |
| 3- National Chocolate Moose Day |
| 3- American Circus Day (first American circus in Philadelphia, Pennsylvania, on this date in 1793) |
| 3- Betty Boop Day |
| 3- International Surf Day |
| 3- Jesse James Bites the Dust Day 1882 |
| 3- Pony Express Birthday |
| 3- No Spitballs Day |
| 3- Find a Rainbow Day |
| 3- Don't go to Work unless it's fun Day |
| 4- Walk Around Things Day |
| 4- Ballroom Dancing Day (Birthday of Arthur Murray) |
| 4- Library Book Day |
| 4- Chocolate Milk Powder Birthday 1828 |
| 4- Homogenized Milk Birthday 1892 |
| 4- Microsoft's Birthday 1975 |
| 4- National Cordon Bleu Day |
| 4- School Librarian's Day |
| 4- Student Government Day |
| 5- Bell Bottoms Day |
| 5- Easter Island Discovery Day 1722 |
| 5- Apple Cider Mill Birthday 1806 |
| 5- Fun at Work Day |
| 5- Check Your Batteries Day (Make sure all your batteries work, First Sunday In April) |
| 5- Pocahontas Wedding Day 1614 |
| 5- National Read a Road Map Day |
| 5- Dandelion day |
| 6- Jump Over things Day |
| 6- Fresh Tomato Day |
| 6- National Hoagie Day |
| 6- Post-It Notes Birthday 1980 |
| 6- National Fun at Work Day (First Monday In April) |
| 6- Napping at Work Day (First Monday In April) |
| 6- Sweet Potato Day (First Monday In April) |
| 6- Teflon Birthday 1938 |
| 6- Knock Your Socks Off Day (1953 "Peanuts" comic strip, Charlie Brown first gets his clothes knocked off by a line drive during a baseball game.) |
| 6- Post-It Notes Birthday 1980 |
| 6- TV Dinner Birthday 1954 |
| 6- North Pole Discovered 1909 |
| 7- World Health Day |
| 7- Public Television Day 1927 |
| 7- Texaco Birthday 1902 |
| 7- No House Work Day |
| 8- Astronomy Day |
| 8- Easter Sunday |
| 8- Draw a Picture of a Bird Day |
| 8- Milk in Glass Bottles Day 1879 |
| 8- Zoo Lovers Day |
| 9- Listening Day |
| 9- Dry Milk Birthday 1872 |
| 9- First Public Library Opened in 1833 |
| 9- Name Yourself Day |
| 9- Astronauts Day (first seven U.S. astronauts were selected on this date in 1959) |
| 9- Passover Begins at sun down. |
| 9- Winston Churchill Day |
| 9- Times Square Birthday (In 1904, Longacre Square was rename Times Square when the "New York Times" moved its headquarters there) |
| 9- TV Guide's Birthday 1953 |
| 10- Encourage a Young Writer Day |
| 10- National Sibling Day |
| 10- Safety Pin Birthday 1849 |
| 10- Good Friday |
| 10- Golfers Day |
| 10- Salvation Army Founders Day |
| 11- Eight Track Tape Day |
| 11- Jackie Robinson Day (in 1947 Jackie Robinson became the first African American in major-league baseball.) |
| 11- Barbershop Quartet Day |
| 12- Big Wild Day |
| 12- Look Up at the Sky Day |
| 12- Easter Sunday |
| 12- Space Shuttle Columbia First Launched 1981 |
| 12- Catcher's Mask Day (The catcher's mask was first used in a baseball game in 1877) |
| 12- Reach as High as You Can Day |
| 13- Blame Someone Else Day |
| 13- Thomas Jefferson's Birthday 1743 |
| 13- Scrabble Day |
| 13- National D.A.R.E. Day |
| 13- U.S. Elephant Day (In 1796, the first elephant was imported into the United States from India.) |
| 14- National Pecan Day |
| 14- J.C. Penney Birthday 1942 |
| 14- Titanic Struck an Iceberg |
| 15- Rubber Eraser Day |
| 15- First Mc Donald's Opens in Des Plaines, IL 1955 |
| 15- Leonardo Da Vinci's Birthday |
| 15- Art History Day |
| 15- Tax Day |
| 16- National Eggs Benedict Day |
| 16- Thank Your School Librarian Day (Wednesday of National Library Week) |
| 16- National Stress Awareness Day |
| 17- Sherlock Hemlock's Birthday (Sesame Street) |
| 17- National Cheese Ball Day |
| 17- Daffy Duck's Birthday |
| 17- Petunia Pig's Birthday 1937 |
| 18- Yankee Stadium Birthday 1923 |
| 18- Pet Owner's Day |
| 18- First Laundromat Opens Fort Worth TX 1934 |
| 18- Great San Francisco Earthquake 1906 |
| 18- National Animal Cracker Day |
| 18- Paul Revere Day |
| 18- International Jugglers Day |
| 19- ABC-TV's Birthday 1948 |
| 19- The Simpsons Birthday 1987 |
| 19- Go Fly a Kite Day (Third Sunday In April) |
| 19- Patriot's Day |
| 19- Humorous Day |
| 19- Revolutionary War Began 1775 |
| 19- Garlic Day |
| 20- Cuckoo Day |
| 20- Look Alike Day |
| 20- Make A Quilt Day |
| 20- Holocaust Remembrance Day |
| 20- National Pineapples Upside Down Cake Day |
| 20- Volunteer Recognition Day |
| 21- Kindergarten Day (The First Kindergarten was founded by Friedrich Froebel in Germany in 1837) |
| 21- Rosita's B'day (Sesame Street) |
| 21- Tuna Rights Day |
| 22- Earth Day |
| 22- Girl Scout Leader Appreciation Day |
| 22- Admin. Professionals Day (Secretary's Day, Wednesday of the last full week of April) |
| 22- National Jelly Bean Day |
| 23- William Shakespeare's Birthday -Born in 1564. |
| 23- Home Run Day Hank Aaron Hits His First Home Run. |
| 23- Shirley Temple's Birthday |
| 23- Electric Mixer Birthday 1918 |
| 23- Picnic Day |
| 23- Garlic Day |
| 23- Fire Drill Day |
| 23- American Academy of Arts & Letters Birthday 1904 |
| 23- Canadian Stamps Day (1851, Canada issued its first postage stamps.) |
| 23- International Sing Out Day |
| 23- Read Me Day |
| 24- Pigs-in-a-blanket Day |
| 24- National Puppetry Day |
| 24- Childcare Professionals Day (last Friday of April) |
| 24- National Arbor Day (Usually the last Friday of April) |
| 24- Plumber's Day |
| 24- Sylvester the Cat's Birthday |
| 24- Natasha's B'day (Sesame Street) |
| 25- License Plates Birthday 1901 |
| 25- National Crayola Day |
| 25- National Zucchini Bread Day |
| 25- National Telephone Day |
| 26- National Pretzel day |
| 26- National Static Cling Day |
| 26- Hug a Friend Day |
| 26- National Bird Day |
| 26- Hug an Australian Day |
| 27- Walter Lantz's Birthday Creator of Woody Woodpecker |
| 27- Tell a story Day |
| 27- Take your Daughter (and Son) to Work Day |
| 27- Playground Safety Day |
| 28- Kiss your mate day |
| 28- Poetry Reading Day |
| 29- National Shrimp Scampi Day |
| 29- Zipper Day patented 1913 |
| 30- Hairstyle Appreciation Day |
| 30- National Honesty Day |
| 30- National Oatmeal cookie day |
| 30- Mr. Potato Head Day |
| 30- Raisin Day |
