Problem: Buckingham Palace:

Before Prince Albert's death, the palace was frequently the scene of musical entertainments, and the greatest contemporary musicians entertained at Buckingham Palace. The composer Felix Mendelssohn is known to have played there on three occasions. Johann Strauss II and his orchestra played there when in England. Strauss's "Alice Polka" was first performed at the palace in 1849 in honour of the queen's daughter, Princess Alice. Under Victoria, Buckingham Palace was frequently the scene of lavish costume balls, in addition to the usual royal ceremonies, investitures and presentations.

Queen Victoria hosted which type of balls?
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A: lavish costume balls

Problem: Republic of the Congo:

The region was dominated by Bantu-speaking tribes, who built trade links leading into the Congo River basin. Congo-Brazzaville was formerly part of the French colony of Equatorial Africa. Upon independence in 1960, the former colony of French Congo became the Republic of the Congo. The People's Republic of the Congo was a MarxistLeninist one-party state from 1970 to 1991. Multi-party elections have been held since 1992, although a democratically elected government was ousted in the 1997 Republic of the Congo Civil War and President Denis Sassou Nguesso has ruled for 26 of the past 36 years.

What title does Nguesso hold?
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A: President

Problem: British Isles:

Ireland and the United Kingdom are both part of the European Union (EU). The Crown Dependencies are not a part of the EU however do participate in certain aspects that were negotiated as a part of the UK's accession to the EU. Neither the United Kingdom or Ireland are part of the Schengen area, that allow passport-free travel between EU members states. However, since the partition of Ireland, an informal free-travel area had existed across the region. In 1997, this area required formal recognition during the course of negotiations for the Amsterdam Treaty of the European Union and is now known as the Common Travel Area.

Ireland and the Crown Dependencies are part of what union?
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A: unanswerable

Problem: Josip Broz Tito:

However, the NSA's report was completely disproved by Croatian experts. The report failed to recognize that Tito was a native speaker of the very distinctive local Kajkavian dialect of Zagorje. The acute accent, present only in Croatian dialects, which Tito is perfectly pronouncing, is the strongest proof of Tito's belonging to Kajkavian dialect.

What was the distinct local dialect Tito spoke?
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A:
Zagorje