Everybody has a birthday. many children in other countries celebrate their birthday like children in the united states. they have a birthday cake,gifts and sometime 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 in 1893 but people still sing this song today the birthday cake usually has lighted candles on it one candles 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 one breath the wish will come true. other countries have different customs