I firmly believe that appropriate sun exposure is the best way to optimize your vitamin D levels. In fact, I personally have not taken a vitamin D supplement for three or four years, yet my levels are in the 70 ng/ml range. If you can't get enough sunshine, then a safe tanning bed would be your next best option.
Citizenship Day is celebrated annually on 17 September. The federally-observed holiday coincides with the creating and signing of the U.S. Constitution at the Constitution Convention in 1787. Citizenship Day is an occasion to pay tribute to all the individuals who have become American citizens. Also, the holiday is the first day of Constitution Week.
What is Presidents' Day? Presidents Day (or Presidents' Day), is the common name for the federal holiday officially designated as Washington's Birthday. As the first federal holiday to honor an American citizen, the holiday was celebrated on Washington's actual birthday in 1796 (the last full year of his presidency) on February 22.