These sites about birthdays include descriptions of celebrations in different countries, the legends associated with birthstones, and information about the famous birthday song. There are crafts, recipes, printable certificates, e-cards, and more. Also includes lesson plans with birthday themes and a probability problem of determining the odds that classmates will share the same birthdays. There is a link to an eThemes resource on This Day in History that students can use to research what events took place on their birthdates.
This site discusses the probability that classmates will share the same birthday. Type in a number to see how many dates match. The explanation for the problem is written in complex terms, but teachers can explain it to younger students.
These sites let you type in a date to find out what major events took place during that time period. Students can use these sites when researching what took place on their birthdays. The topics covered include world news, sports, and entertainment. There are statistics such as the cost of bread, average salary, and world population.