@b870d4c8 

https://estatements.unmeetings.org/estatements/10.0010/20210924/7gIp44D6mxWV/8xz66G7sjKRg_en.pdf

That explains much of the Palestinian leadership’s views. They gave demands in 2021 and said they would take action in a year if those went unfilled. 

https://en.m.wikipedia.org/wiki/Yom_Kippur_War

50th anniversary of this war. 

I’m not an expert on the region, but I’m guessing they gave it a year then started planning for a symbolic date.