» Click here to see all Holidays Advertisement   Mother-In-Law Day   October 24, 2010   Click here to be reminded of this holiday Mother-In-Law Day Suggestions:  Gifts  Paper Greeting Cards  Free Ecards     Stock Up on Cards for Upcoming Holidays!   St. Patrick's Day Cards Persian New Year Cards Easter Cards Cinco de Mayo Cards Nurses Day Cards Mother's Day Cards Add your own personalized message for free.  The more you buy the more you save - click here for quantity discounts 'Mother-in-Law Day' is celebrated on the 4th Sunday in October. This tradition began January 23, 2002. It is similar to Mother's Day in that it is a day to celebrate motherhood. See Mother's Day. Advertisement   Mother-In-Law Day Suggestions View cards and gifts Join Now Free 3 month membership Learn More How does BigDates work? Get Holiday and Birthday Reminders