1). The sandwich was named after the Earl of Sandwich.
2). The Petronas Towers were designed by Cesar Pelli.
3). This movie is based on a true story.
4). The first crossword puzzle was published in 1913.
5). The first credit card was issued by Diners Club.
6). The typewriter is not used very often these days.
7). Penicillin was discovered by Alexander Fleming.