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Arbor Day
The United States was one of the first countries in the world to celebrate Arbor Day, a holiday dedicated to tree planting. National Arbor Day in the USA is celebrated on the last Friday in April. Besides, each state celebrates its own state tree planting holiday. Arbor Day was founded by Julius Sterling Morton, a…
Memorial Day
OIC will be closed in observance of Memorial Day.
Hi-SET Testing
OIC 3033 N. Walnut, East Building, Oklahoma City, OK, United StatesHi-SET Testing
OIC 3033 N. Walnut, East Building, Oklahoma City, OK, United StatesHoliday closure
OIC will be closed for the 4th of July. Have a safe and happy holiday!