A birthday is a special day that celebrates the anniversary of a person's birth. People often celebrate their birthdays with parties, cake, and gifts. It's a time for friends and family to come together and show their love and appreciation. Many cultures have unique traditions for birthdays, such as singing the Happy Birthday song and blowing out candles on a birthday cake. For children, birthdays can be especially exciting, filled with fun activities like games and balloon decorations. Adults also enjoy celebrating their birthdays, sometimes with a quiet dinner or a big gathering. Overall, birthdays are a joyful occasion that brings people closer together.