The data results of a Social Security number verification can contain the state of and approximate year of the number; status as an invalid, nonissued, or misused number; status on whether the number has been used to file a death claim; address (es) of the user; employer (s) of the user; the year of birth or age of the user. (inc.com)
If you're the victim of a hit - and - run accident, try to record the license plate number, and get a description of the car, including make, model, color and approximate year if possible. (titan.com)
Sure, historians can approximate a year, but even then they don't agree. (religion.blogs.cnn.com)