[Answer] 4. He attempted to assassinate a president in order to impress a famous actress. Who is he?

Step 1 : Introduction to the question "4. He attempted to assassinate a president in order to impress a famous actress. Who is he?"

...1. Thomas Delahanty 2. Timothy McCarthy 3. James Brady 4. John Hinckley Jr. On March 30, 1981, Hinckley shot at President Ronald Reagan six times. Reagan was wounded by a bullet that ricocheted and hit him in the chest. Thomas Delahanty, a police officer, James Brady, the White House Press Secretary and Timothy McCarthy, a Secret Service agent, were also all wounded in the assassination attempt. Hinckley was found not guilty by reason of insanity and committed to a mental hospital. Hinckley was obsessed with actress Jodie Foster after seeing her in the movie "Taxi Driver". This was just one way of trying to get her attention. She was not impressed.

[Ans] Who did Gavrilo Princip assassinate, setting off World War I?

Step 1 : Introduction to the question "Who did Gavrilo Princip assassinate, setting off World War I?"

On June 28, 1914, Archduke Franz Ferdinand of Austria and his wife Sophie were assassinated by a Bosnian Serb nationalist named Gavrilo Princip during an official visit to the Bosnian capital of Sarajevo. The assassination set off a rapid chain of events, as Austria-Hungary immediately blamed the Serbian government for the attack. As Russia supported Serbia, Austria asked for assurances that Germany would step in on its side against Russia and its allies, including France and possibly Great Britain. On July 28, Austria-Hungary declared war on Serbia, beginning the devastating conflict now known as World War I.

[Answer] Who did Gavrilo Princip assassinate, setting off World War I?

Step 1 : Introduction to the question "Who did Gavrilo Princip assassinate, setting off World War I?"

...On June 28, 1914, Archduke Franz Ferdinand of Austria and his wife Sophie were assassinated by a Bosnian Serb nationalist named Gavrilo Princip during an official visit to the Bosnian capital of Sarajevo. The assassination set off a rapid chain of events, as Austria-Hungary immediately blamed the Serbian government for the attack. As Russia supported Serbia, Austria asked for assurances that Germany would step in on its side against Russia and its allies, including France and possibly Great Britain. On July 28, Austria-Hungary declared war on Serbia, beginning the devastating conflict now known as World War I.