Question: When was American actor who acted Spock in The City on the Edge of Forever born? 

Related documents: [0]  [DOC] "The City on the Edge of Forever" is the 28th episode of the American science fiction television series "", and the penultimate episode of the . It was first broadcast in the United States on NBC on April 6, 1967. In the episode, after Doctor Leonard McCoy (DeForest Kelley) travels back in time and changes history, Kirk (William Shatner) and Spock (Leonard Nimoy) follow him to correct the timeline. In doing so, Kirk falls in love with Edith Keeler (Joan Collins), but realizes that in order to save his future, he must allow her to die. [END] 
[1]  [DOC] Leonard Simon Nimoy ( ; March 26, 1931 – February 27, 2015) was an American actor, film director, photographer, author, singer and songwriter. He was best known for his role as Spock of the "Star Trek" franchise, a character he portrayed in television and film from shot in late 1964 to his final film performance in 2013. [END]  
Answer: March 26, 1931
March 26, 1931