The first 100 days are a presidential milestone and a benchmark that dates back almost a century. The 100-day marker began with Franklin D. Roosevelt in 1933 when he hit the ground running during the Great Depression and called for a special session.

With more than three years left in President Trump's second term, it's highly likely that Social Security changes will keep coming. If you're receiving benefits already or plan to sign up soon, be prepared to adjust as needed, and don't hesitate to contact the Social Security Administration if you have any questions.

Democrat or Republican -- irrespective of party affiliation, the first hundred days of American presidents are the most critical and consequential. This longstanding tradition can be traced back