Misc: In 1896 Modern Olympics ---------- . (First modern Olympiad)?

Questions

In 1965 Israel's cabinet approved diplomatic relations with?

In 1967 Body of ---------- moved from a temporary grave to a permanent memorial.?

In 1975 Susan ---------- dies at age 56.?

In 1980 Polish airliner crash kills all ---------- aboard (22 are US amateur boxers).?

In 1983 ---------- cut oil prices for the first time in 23 years.?