General
American Holidays
Holiday Origins in America
Holidays on the Net

New Year's
Celebrate! New Year's Day
New Year's Day

Martin Luther King Jr. Day
American Holidays: MLK Day
Martin Luther King Jr. Day

Groundhog Day
Stormfax Weather Almanac:

President's Day
American Holidays:  Presidents' Day
President's Day

Mardi Gras
How Mardi Gras Works

St. Patrick's Day
History of St. Patrick's Day
How St. Patrick's Day Works
St. Patrick's Day: Traditions

April Fool's Day
April Fool's Day
Urban Legends Reference Pages: April Fool's Day

Easter
Easter Traditions
Easter and Passover

Passover
Passover
Easter and Passover

Cinco de Mayo
Cinco de Mayo History

Memorial Day
Celebrate! Memorial Day
VFW Pays Tribute: Memorial Day
History Channel: Memorial Day
Memorial Day

Independence Day
American Memory: Today in History
Celebrating Independence Day in the U.S

Thanksgiving
The First Thanksgiving
Thanksgiving Proclamation 2004

Ramadan   
Islamic Holidays and Observances

Christmas
How Christmas Works
Christmas.com World View

Hanukkah
Hanukkah Traditions
How We Celebrate: Hanukkah

Kwanzaa
Everything About Kwanzaa
Kwanzaa Information Center