Here are some one liners...
The Invention of the Pencil - After the discovery of graphite, people have figured out how to strengthen this brittle material with wood so that they can write with it. They are called pencils.
Stooping Over in Defense and Standing Tall in Victory on September 11th -- The Siege of Malta was more than a World War 2 event. Malta has been a critical focal point for centuries.
The Beginning of Modern Judaism -- The book that defines modern Judaism is published this year. It marks a change in the way people think.