Old things!

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Across
  1. 2. Founded in 1783, "..." is the oldest soda company in the world
  2. 4. The world's oldest library still in operation, is St. Catherine's Monastery at the foot of Mt. "..." in Egypt
  3. 6. The oldest national anthem is sung in The "..."
  4. 9. The oldest public high school in the U.S.A. is the "..." Latin School
  5. 11. The oldest U.S. president, who reached 100 years, was "..."
Down
  1. 1. Est. in 1916, the oldest U.S. chain restaurant, Nathan's Famous, started on "..." Island
  2. 3. The oldest living person, at 116 years, lives in "..."
  3. 5. The oldest country in the world, is "..."
  4. 7. Jonathan, a giant "...", is the current oldest living animal at 193 years
  5. 8. The oldest church building in Iowa, is St. Anthony's Catholic Church in "..."
  6. 10. The oldest democracy belongs to "..."