Misc: What is a group of bass?

Questions

First Names: ______ Agnew -- disgraced vice president under Nixon?

Holidays: March 26 in Spain is known as this.?

Holidays: Father's Day falls in this month.?

Holidays: June 22 is this day in Finland; it's June 24 in Great Britain?

1980s GrabBag: The youngest leader of the Soviet Union before Gorbachev?