Every false claim Donald Trump has made as president Donald Trump has said 1929 false things as U.S. president The Toronto Star is keeping track of every false claim U.S. President Donald Trump has made since his inauguration on Jan. 20, 2017. Why? Historians say there has never been such a constant liar in the Oval Office. We think dishonesty should be challenged. We think inaccurate information should be corrected. And we think the sheer frequency of Trump’s inaccuracy is a central story of his presidency. If Trump is a serial liar, why call this a list of “false claims,” not lies? You can read our detailed explanation here. The short answer is that we can’t be sure that each and every one was intentional. In some cases, he may have been confused or ignorant. What we know, objectively, is that he was not telling the truth.