Title: Financial crisis of 2007%E2%80%9308.
Question: Which bank early problems in 2007 were an indicator of the troubles that would soon befall other banks and financial institutions?

Title: Antarctica.
Question: How many miles long is Antarctica's coast line?

Title: Antibiotics.
Question: What types of vaccines have been phased out?

Title: Dissolution of the Soviet Union.
Question:
How old was Tikhonov when he stopped being Chairman?