50th Birthday Napkins

birthday
A birthday, as the term implies, is the day or anniversary of the particular day on which a person was born. Though by no means universal, birthdays are celebrated in numerous cultures, often with a party or, in some instances, a rite of passage.
Birthday (Ad Gunu) is a 1977 full-length Azerbaijani feature film. The film plot is based on Rustam Ibrahimbeyov's short stories "Birthday" and "Business Trip".
The annual anniversary of the day on which a person was born, typically treated as an occasion for celebration and present-giving
The day of one's birth
an anniversary of the day on which a person was born (or the celebration of it)
The anniversary of something starting or being founded

napkins
(napkin) a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing
(napkin) diaper: garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement
A baby's diaper
A square piece of cloth or paper used at a meal to wipe the fingers or lips and to protect garments, or to serve food on
A napkin, or face towel (also in Canada, the United Kingdom, Australia and South Africa: serviette) is a rectangle of cloth or tissue paper used at the table for wiping the mouth while eating. It is usually small and folded.

50th
fiftieth: the ordinal number of fifty in counting order
fimtandi ( fim-tand-ee )
Hynes Auditorium - Boston, Massachusetts (July 1982)