Well the assassination of Archduke Franz Ferdinand is said to be the most immediate cause of ww1
The Great Communicator was President Reagan.
Thomas Jefferson said that all men have the right to life, liberty and the pursuit of happiness (though Jefferson did not originally think of the last one). Keep in mind that by "men" he means white, well-off men, not women or slaves.
I believe it's Giovani Caboto who first discovered the Northern American continent.
James Madison argued about factions in the federalist papers #10
