Holidays for Saturday, September 15th, 1990
Multi-day Events Starting on Saturday, September 15th, 1990
- European Heritage DaysObserved the third weekend of September
- National Hispanic Heritage MonthObserved annually for 30 days starting on September 15th
Multi-day Events Continuing on Saturday, September 15th, 1990
- International Housekeepers WeekObserved the second full week of September
- National Biscuits and Gravy WeekObserved the second full week of September
- National Vegetarian Awareness WeekObserved the second full week of September
- Better Breakfast MonthObserved the month of September
- Cable TV MonthObserved the month of September
- Chiari Malformation Awareness MonthObserved the month of September
- Childhood Cancer Awareness MonthObserved the month of September
- Child Passenger Safety MonthObserved the month of September
- College Savings MonthObserved the month of September
- Fall Hat MonthObserved the month of September
- Happy Cat MonthObserved the month of September
- Healthy Aging MonthObserved the month of September
- Hug a Texas Chef MonthObserved the month of September
- Hydrocephalus Awareness MonthObserved the month of September
- Idiopathic Intracranial Hypertension Awareness MonthObserved the month of September
- International Square Dancing MonthObserved the month of September
- Leukemia, Lymphoma & Myeloma Awareness MonthObserved the month of September
- Library Card Sign-up MonthObserved the month of September
- Little League MonthObserved the month of September
- National Biscuit MonthObserved the month of September
- National Blueberry Popsicle MonthObserved the month of September
- National Breakfast MonthObserved the month of September
- National Chicken MonthObserved the month of September
- National Cholesterol Education MonthObserved the month of September
- National Condiment MonthObserved the month of September
- National Courtesy MonthObserved the month of September
- National Fruit & Veggies-More Matters MonthObserved the month of September
- National Head Lice Prevention MonthObserved the month of September
- National Honey MonthObserved the month of September
- National Mushroom MonthObserved the month of September
- National Ovarian Cancer Awareness MonthObserved the month of September
- National Papaya MonthObserved the month of June and the month of September
- National Potato MonthObserved the month of September
- National Recovery MonthObserved the month of September
- National Rice MonthObserved the month of September
- National Save a Tiger MonthObserved the month of September
- National Sewing MonthObserved the month of September
- National Sickle Cell Awareness MonthObserved the month of September
- National Suicide Prevention MonthObserved the month of September
- National Velociraptor Awareness MonthObserved the month of September
- Newborn Screening Awareness MonthObserved the month of September
- Pet Smile Month (UK)Observed the month of September
- Polycystic Ovarian Syndrome Awareness MonthObserved the month of September
- Read a New Book MonthObserved the month of December and the month of September
- Self-Improvement MonthObserved the month of September
- Senior Care Health MonthObserved the month of September
- Subliminal Communications MonthObserved the month of September
- Decade to Combat Racism and Racial DiscriminationObserved December 10th, 1983 through December 9th, 1993
- Disarmament DecadeObserved January 1st, 1990 through December 31st, 1999
- International Decade for Natural Disaster ReductionObserved January 1st, 1990 through December 31st, 1999
- International Decade for the Eradication of ColonialismObserved January 1st, 1990 through December 31st, 2000
- International Drinking Water Supply and Sanitation DecadeObserved January 1st, 1981 through December 31st, 1990
- United Nations Decade of International LawObserved January 1st, 1990 through December 31st, 1999
- United Nations Decade for Disabled PersonsObserved January 1st, 1983 through December 31st, 1992
- United Nations Development DecadeObserved January 1st, 1981 through December 31st, 1990
- World Decade for Cultural DevelopmentObserved January 1st, 1988 through December 31st, 1997














