105: Ethel and Julius Rosenberg are convicted of espionage and sentenced to death ft. Fellow of the Royal Society of Literature and Senior Research Fellow at the Institute of Historical Research & author of Ethel Rosenberg: An American Tragedy, Anne Sebba. The President would later admit that he “did indeed” have a relationship with the intern. Later that year President Clinton becomes the first US President since Andrew Johnson to be impeached. 101: After being defeated by Thomas Jefferson, John Adams becomes the first incumbent president to lose an election and peacefully transfer power to his successorLearn more about your ad choices.