First and final bump. I really do like HISTORY sections and I hope we
can have more of them rather than fewer.

Evan

--- usr.bin/units/units.1
+++ usr.bin/units/units.1
@@ -212,6 +212,15 @@ the standard units library
 .%R ISO/IEC 80000
 .%T Quantities and units \(em Part 13: Information science and technology
 .Re
+.Sh HISTORY
+A
+.Nm
+command first appeared in
+.At v6 .
+This version of
+.Nm
+appeared in
+.Nx 1.0 .
 .Sh AUTHORS
 .An Adrian Mariano Aq Mt adrian@cam.cornell.edu
 or