As if you need an excuse to celebrate your birthday with a party, nevertheless some birthdays are more worth celebrating than others. Birthdays such as your 13th, 16th, 18th and 21st are important dates in a person's transition from childhood to adulthood and should be celebrated accordingly. Meanwhile, other birthdays are notable for the end of one personal decade and the beginning of another. Whether you are throwing a birthday party for yourself or for someone else, make sure your party supplies match the occasion and create a wonderful atmosphere which nobody will forget. Of course if you do ever get the chance to attend a 100th birthday party, this is certainly an occasion worth celebrating.