Misc: How much do nine pennies weigh?

Questions

In 1970 Pope ---------- VI wounded in chest during a visit to Philippines by a dagger-wielding Bolivian painter disguised as a priest. ?

In 1985 Republic of ---------- gains consultative role in Northern Ireland. ?

In 1985 Space shuttle ---------- makes second flight, carries 7 (1 Mexican). ?

In 1520 ---------- begins crossing the Pacific Ocean. ?

In 1776 Washington and his troops cross the ---------- River. ?