The oldest surviving human writings date back to about 5000 years ago.
The classic Greek philosophers and mathematicians (Plato, Aristotle, Pythagoras) lived about 2500 years ago.
Ptolemy lived about 2000 years ago.
Copernicus lived about 500 years ago.
Newton published Principia 331 years ago.
Darwin published Origin of Species 159 years ago.
Slavery in the U.S. formally ended 153 years ago.
The Wright Brothers flew at Kitty Hawk 115 years ago.
Einstein published general relativity 103 years ago.
Alan Turing published "On computable numbers" 82 years ago.
The first atomic bomb was detonated 73 years ago.
Bell's theorem was published 54 years ago.
The Apple II was introduced 41 years ago.
The Aspect experiment (the first experimental test of Bell's theorem) took place 36 years ago.
The Macintosh was introduced 34 years ago.
The first exoplanet was discovered 26 years ago.
Y Combinator graduated its first class of startups 13 years ago.
The iPhone was introduced 11 years ago.
Gravity waves were first detected 3 years ago.
But nothing at all interesting has happened since then. ;-)