Mark Hennock (born 1963)

In 1963, in the year that Mark Hennock was born, on November 22nd, Vice President Lyndon B. Johnson became the 36th President of the United States when President John Kennedy was shot and killed in Dallas, Texas. Johnson was sworn in on the plane carrying Kennedy's body back to Washington D.C.

In 1971, on May 3rd, 10,000 federal troops, 5,100 officers of the D.C. Metropolitan Police, 2,000 members of the D.C. National Guard, and federal agents assembled in Washington DC to prevent an estimated 10,000 Vietnam War protesters from marching. President Nixon (who was in California) refused to give federal employees the day off and they had to navigate the police and protesters, adding to the confusion. By the end of a few days of protest, 12,614 people had been arrested - making it the largest mass arrest in US history.

In 1975, on September 5th, Lynette "Squeaky" Fromme tried to assassinate President Ford in Sacramento, California. She failed when her gun wouldn't fire. President Ford escaped a second assassination attempt 17 days later on September 22 when Sarah Jane Moore tried to shoot him in San Francisco. A bystander saw her raise her arm, grabbed it, and the shot went wild.

In 1988, on December 16th, 1988 the popular film Rain Man was released. Featuring Dustin Hoffman and Tom Cruise. this film brought attention to autistic savants and was based on the "megasavant" Laurence Kim Peek. The film would later go to win four Oscars including Best Picture, Best Original Screenplay, Best Director and Best Actor in a Leading Role.

In 1996, on April 3rd, Theodore Kaczynski (nicknamed the Unabomber) was arrested. His mailed or hand-delivered bombs, sent between 1978 and 1995, killed three people and injured 23 others. Diagnosed as suffering from paranoid schizophrenia, Kaczynski is serving 8 life sentences without the possibility of parole.