However, while UVB rays are responsible for the health benefits of sunshine, tanning salons are most concerned with the UVA rays. The reason for this is that overexposure to UVB rays, which affect the surface layers of skin, quickly causes the skin to burn.
This article is about the war that started in 2003 and ended in 2011. For the initial invasion, see 2003 invasion of Iraq. For the ongoing war in Iraq, see Iraqi Civil War (2014âpresent). For previous wars in Iraq, see Iraq War (disambiguation).
But if you think about it, WW2 started on different dates for all countries. 1931 was the official start of the war for Japan who invaded Manchuria. 1935 was the official start of the war for Italy who invaded Ethiopia. September 1, 1939 was the official start date of the war for Germany who invaded Poland.