Ganesh Chaturthi is the birthday of Lord Ganesh, the son of Shiva & Parvati. The celebration of Ganesh Chaturthi continue for five, seven, or ten days. Some even stretch it to twenty one days. Legend has it that Parvati created Ganesha out of the sandalwood dough that she used for her bath and breathed life into him. Letting him stand guard at the door she went to have her bath.