Star Trek: The Undiscovered Country, released in theatres in 1991, marked the last of the Star Trek movies based solely on the original cast. In the plot of the movie, a historic Klingon peace initiative is nearly thwarted when Klingon chancellor Gorkon is assassinated, and Kirk and McCoy are accused of his murder.
... Mendeleev, Russian chemist and inventor of the Periodic table
May 19 - Auguste Molinier, French historian
July 14 - Anton Chekhov, Russian playwright and short ...