January
Kansas Day
Martin Luther King, Jr., Day
New Year's Day

July
Independence Day

February
Black History Month
American History Month
Valentine's Day
Washington's Birthday
Lincoln's Birthday
Groundhog Day

August

Fairs
Travel

March

Red Cross Month

National Women's History Week
Nutrition Month

St. Patrick's Day

September
Back to school
Football
Labor Day
American Newspaper Week
Banned Books Week
Constitution Week

April
Easter
Earth Day
April Fool's Day
Poetry Month
Arbor Day
National Library Week

October
Halloween
Columbus Day
Fire Prevention Week

May
Baseball
Gardening
Cinco de Mayo
Mother's Day
Memorial Day
Graduation

November
Basketball
Thanksgiving
Veterans Day 
Children's Book Week

June
Flag Day
Father's Day

December
Christmas

Clip Art
AWGA

Animated gif archive
Animation Factory
Clips Ahoy
Library Media & PR
Free Graphics
DiscoverySchool
Free Educational Clip Art

Links:

Holidays on the Net
Library Lovers ideas

What's Happening?

Inspiration: Lester Public Library

http://www.programminglibrarian.org/library/planning/events-and-celebrations.html

Ala.org

Ala Wiki Promotional Opportunities

Mysteries
Scrambled letters: "We are not kidding around--these are good books"
Background: black
Display: fingerprint, footprints, magnifying glass.
Westerns
"Round-up of great westerns"
Background: Bandana or Indian blanket
Display: lasso (wire through rope), cactus, cowboy hat or boots, spurs
Science Fiction
"Have a blast with science fiction"
Background: black
Display: stars & moon, suspend planets, rocket bookmark

Cookbooks
"Get cooking with a book" "What's cooking?" "Cream of the Crop"
Background: Checkered tablecloth
Handouts: recipes on card, Menu-bibliography of best cookbooks
Display cookbooks in a pot, wooden spoon, utensils
Fall
"A bushel of fall books" "Leaf through a book"
Small chalkboard and chalk lettering
Handout: Leaf bookmark, Tree identification
Display: ruler, pencil box, apples, small hay bale