Holiday parties are a treat for both children and adults, but putting together a holiday-themed party may seem daunting. These plans for celebrating 16 different holidays can turn any parent into a well-prepared party-planner. Holidays covered are New Year's Eve, Chinese New Year, Valentine's Day, Mardi Gras, St. Patrick's Day, Easter, Children's Book Day, May Day, Cinco de Mayo, Fourth of July, Grandparent's Day, Halloween, Thanksgiving, Hanukkah,...