Cartoonists Day is held on May 5. They were the favorite part of the morning paper for many of us growing up. This event in the first decade of the month may is annual.
Star Wars Day on May 4 (International observance);
National School Nurse Day in US on May 5 (is always the Wednesday of National Nurses Week);
No Homework Day on May 6 (this is the day where children can tell their teachers and parents in complete honesty that they will not be doing their homework, in order to mark this special day);
World Password Day on May 6 (first Thursday of May);