51st state

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Across
  1. 4. the fifty first state
  2. 5. a thing that happens but is unexpected
  3. 6. a celebration of your date of birth
  4. 7. a tax on trades
  5. 8. a country in north america
Down
  1. 1. former prime minister of canada
  2. 2. president of the United states
  3. 3. fifty plus one