Misc: How many tricks must you take in 500 if you call a slam?

Questions

In 1986 Jonathan ---------- spy for Israel pleads guilty.?

In 1986 Jonathan Pollard spy for ---------- pleads guilty.?

In 1989 Ayatollah ---------- (86) dies from complications due to surgery leading to days of loud, hysterical mourning. ?

In 1989 In---------- , two trains pass each other in a valley filled with natural gas from a leaking pipeline. The gas explodes and hundreds are killed. Not a good day. ?

In 1723 Adam ---------- (in Kirkcaldy, Scotland), economist, born.?