History Repeats

This history is all about dates. Use the formulae to index the answers, where:

• M = millenium
• C = century
• D = decade
• I = year

Note: space is undefined

1. Manchester United wins the UEFA Champions League for the first time [C - I]
2. This country was granted independence [C - D + M * I]
3. The book about these won the Pullitzer prize [D * C - 2M / (M + C + D/2 + I)]
4. This country was granted independence [C - D + 2M + 3I]
5. The book about these won the Pullitzer prize [C - M + 2I]
6. Manchester United wins the UEFA Champions League for the first time [C - D + M]
7. Yo-Yo Ma was born [D + I - C]
8. This is a year [I / M]
9. I officially became endangered [I - M]
10. This is a year [M + C + D/2 + I]
11. Yo-Yo Ma was born [C * D / (10M + I)]
12. I officially became endangered [C + D + I - 3M]