United States National Physics Olympiad PNG Images (2)
United States National Physics Olympiad PNG Images (2)
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The United States celebrates National Freedom Day on February 1.
National Cancer Survivors Day is a secular holiday celebrated primarily on the first Sunday in June in the United States.
Veterans Day is a federal holiday in the United States observed annually on November 11, for honoring military veterans, that is, persons who have served in the United States Armed Forces.
National Day of Singapore is celebrated every year on August 9, in commemoration of Singapore's independence from Malaysia in 1965.