PA TV host: "The teachers were the main agitators for the Intifada, for [Palestinian] nationalism and for awareness [of Palestinian identity]. Therefore it is our duty to honor them more."
[PA TV (Fatah), Dec. 21, 2010]
From the context it seems that he was referring to the first Intifada, Palestinian violence which started in 1987.
See PMW's report on Palestinian schoolbooks.