March is Women's History Month. Check out Fact Monster's Women's History section that provides everything you need to know about the women who have made their mark in history.

Do you know how Valentine's Day came to be? Or what words appear on NECCO Sweethearts Conversation Hearts in 2008? You can learn the answers to those questions and hundreds more at Fact Monster's Valentine's Day section.

2008 is a leap year, which means that it has 366 days instead of the usual 365 days that an ordinary year has. Check out Fact Monster's explanation of why we have a leap year every four years.