The revelation of the White House system for taping conversations uncovered a "smoking gun".
One of the tapes confirmed that the President himself had knowledge of the cover-up and actively worked to keep it hidden.
Nixon's only option, to avoid impeachment, was to resign the Presidency.
The history textbooks
The is no evidence at all that the Philadelphia Project ever existed and in fact there is a lot of evidence indicating that it was not real. Basically, the story is a hoax.
Atlantis is a mythological island that was written about by Plato. There is no evidence that Atlantis ever existed.
There is evidence of its existence, and there are effects of it still present today. Plus, it existed during the Modern and Post Modern era, so there are written accounts of it.
There is heaps of evidence that the Roman EMpire existed. The Romans recorded nearly everything, and they left behind artifacts like pottery, mosaics, busts, and also their buildings. And beisdes, people have known that the Roman Empire existed-Shakespeare's plays like Julius Caesar and Antony and Cleopatra, the way educated people knew Latin in the olden days, and also the Renaissance is evidence of this awareness people had of this ancient empire that lasted 1000 years.
The revelation of the White House system for taping conversations uncovered a "smoking gun".One of the tapes confirmed that the President himself had knowledge of the cover-up and actively worked to keep it hidden.Nixon's only option, to avoid impeachment, was to resign the Presidency.
What evidence did the archaeologist find to suggest that the Tainos existed
the castles
postulate
We know Cleopatra existed because of the written evidence from the ancient writers.
We have abundant evidence that such a man existed, including an autobiography, eyewitness accounts, Poor Richard's Almanac, and a signature on the Declaration of Independence that says "Ben (or Benjamin) Franklin".
Archeological evidence. Pyramids, statues, foundations, pottery etc.
See the link below
Read the Bible and believe it.
Thery existed in Ancient Egypt. The Bible refers to a (water Gate) which might have been either a reservoir or a canal- nothing to do with Nixonian politics. the words Water Gate are frequently cast on sewer manhole covers- this was emphasized by some photographers when the Watergate scandal emerged. Close the Emergency Doors!- said to be the prologue to (Hail to the Chief)
Evidence that existed or occured within the selected time frame you're looking at.
The writings of contemporary historians.