Though already possessing copies in Greek from the LXX (from around 300 B.C.), and having scrolls written by the Masoretes from 900 A.D., the oldest extant copies in Hebrew were discovered in 1948 having been written 1,000 or more years prior as part of the Library of Qumran and found in the caves of the Dead Sea.
Torahs take a long time to be replaced. It takes i think a year to make a new one because everything in the Torah is written by hand.
2009
The knowledge of the Aquarius constellation has been around since the 2nd century. It was first written about by Ptolemy, but who first discovered it is not known.
The fossils were first found in 1983
1998
not sure
1818
1787.
Lithium was found (i.e. first chemically identified as a distinct element) in the year 1817.
it was found in souther china
Pearl A. Nelson has written: 'The first year'
in 1848