Everybody has a birthday. Many children in other countries celebrate their birthdays like children in the united states. They have a birthday cake gifts and sometimes a birthday party for friends friends and family gather around a table with a birthday cake on it. They sing "Happy birthday to you" Two American sisters wrote this song is 1893 but people still sing this song today! birthday cake usually has lighted candles on,one candle for each year of your life.The birthday child makes a wish and then blows out all the candles. if the child blows out the candles in one breath the with will come true. Other countries have different customer.