Aug. 9, 1974: Day that Richard M. Nixon resigned the U.S. presidency, fearing impeachment

18: Minutes erased from Nixon audio tapes by Rosemary Woods, his secretary, raising additional suspicion about Nixon’s role in the Watergate scandal

16: The total number of federal officials impeached by the House of Representatives

1804: The year the first federal official was impeached and later convicted by the Senate (Judge John Pickering of New Hampshire, for drunkenness and unlawful rulings)

2: The number of presidents actually impeached (Andrew Johnson and Bill Clinton. In both cases, the Senate failed to convict them)