1. The ‘football’ is a briefcase, the contents of which are to be used by the president of the USA to authorize a nuclear attack, while away from fixed command centres.
  2. In 1778, Captain James Cook became the first European to reach Hawaii when he sailed past the island of Oahu.
  3. Fred Astaire danced on the ceiling in ‘Royal Wedding’ in 1951.
  4. Asparagine was the first amino acid to be isolated, by 2 French chemists in France in 1806.
  5. Aruba in the Netherlands Antilles was the centre of a gold rush in the 19th century.