1913. The first moving assembly line is introduced by Ford Motors.
1952. The New York Daily News creates a sensation with its front page headline describing the world's first widely known case of sex reassignment surgery. The Headline was "Ex-GI Becomes Blonde Beauty", and was about Christine (nee George William) Jorgensen, a former soldier who underwent hormone therapy and then surgeries to change genders. While the Daily News reported that this was the first sex change operation, that part was not true, as operations had been performed in Germany and Sweden for some years. The hormone therapy, however, was new.
1955. In Montgomery, Alabama, Rosa Parks refuses to give up her bus seat to a white man, leading to the Montgomery Bus Boycott.
1982. Barney Clark becomes the first person to receive a permanent artificial heart.
"I love signature blocks on the Internet. I get to put whatever the hell I want in quotes, pick a pretend author, and bang, it's like he really said it." George Washington