I 472 (especially the time following the
Nirnaeth Arnoediad, which was fought in the spring of that year)
The name derived from a battle fought northward of
Beleriand, which affected peoples across that land
The battle that led to the Year of Lamendation was fought on the plain before
Angband
The 'lamentation' was for the dreadful loss of the
Nirnaeth Arnoediad