Leibniz` Ge(o)heimnisse: Bibliothek

You can find this cache during the library's regular hours. These 3 questions will help you find the cache once you're there: 1) How do you write 100 in Roman numerals? 2) What is the second letter of Gottfried Wilhelm Leibniz's birthplace? 3) In what year did Leibniz become a court counselor and librarian to Duke Johann Friedrich in Hanover?

• Opening Puzzle:
  110100 10101 1110011001 1001 101011 1101010101
• Difficulty/D score: 2,5
• Cross-Country/T-Ranking: 1,5

Attention: The cache isn't located at the point shown on the map! To find the cache's location, first convert the binary numbers into coordinates. Leibniz would have loved that!
You can find out how to do this here.