In 2013, National Brothers Week was on March 30th in India. It is typically in the month of March regardless of which year it is.
May 12-18
National Brother's Week was the week of July 10th, 2011.
March 31st
no such thing
week of July 18th
National Laundry and Linen Week is April 22-27, 2013
Brothers are nationally recognized in America on September 19th.
September 15-21, 2013
Mary 5-11, 2013
May 6-10, 2013
National Laundry and Linen Week is April 22-27, 2013