Is there a way to get this information off of LinkedIn? I am guessing it would be possible to pull it out of Google+ profile pages, but I am not sure it has hi

Is there a way to get this information off of LinkedIn? I am guessing it would be possible to pull it out of Google+ profile pages, but I am not sure it has historical data, or been around long enough for that matter. Facebook would surely have it but I doubt this information is accessible.