Artifact #3: President Franklin Delano Roosevelt put the National Firearms Act into place as a result of the St. Valentine's Day Massacre in Chicago, Illinois. It was the very first effort at gun control legislation and would set the tone for the future of gun control legislation. 

Artifact #4: Martin Luther King Jr. was assassinated on April 4, 1968 on a balcony outside of his second floor room at a motel in Memphis, Tennesee. On October 22, 1968, President Lyndon B. Johnson added to gun control legislation with the Gun Control Act. 

Artifact #5: James Brady, former White House press secretary, survived a gunshot wound to the head in 1981, during the attempted assassination of President Ronald Reagan. This left him permanently disabled and as a result, the Brady Handgun Violence Protection Act was signed into law by President Bill Clinton.