Starting with today (Friday) many people everywhere will begin celebrating the Memorial Day Weekend.
Memorial Day is a day set aside to remember those who have died in service to our country.
Memorial Day will be officially observed on Monday, May 25th this year.
The traditional Memorial Day is always May 30th.
Memorial Day is one of those holidays where the official day of celebration was changed so it could concur with a 3 day weekend.
Here are some links with more on Memorial Day:
http://en.wikipedia.org/wiki/Memorial_Day
http://www.remember.gov/
http://www.usmemorialday.org/