Answer: Karolína Plíšková
Karolína Plíšková crushed Serena Williams out of the semifinals of the 2016 U.S. Open women's single Championship.

Answer: Wham!
Wham!'s 1985 visit to and concerts in China were both firsts by a Western pop act in that country.

Answer: Israel
The fake report by an Israeli intelligence officer that an assassination had been attempted on a prominent Muslim leader was initially taken seriously by the Israeli parliament and media before learning it was a hoax. This act resulted in said officer being interned for 35 days.

Answer: Germany
Bernhard is a successful golfer who hails from Germany. He was born in the year 1957. He had great success in the Masters Tournament in 1985 and 1993.

Answer: San Francisco
From 1962 to 1971, this franchise was known as the San Francisco Warriors after relocating to that city from Philadelphia.

Answer: Cosmo
Michael Richards played the fictional character, Cosmo Kramer, on the American television sitcom Seinfeld.

Answer: Brain
Every character in "The Wizard of Oz" wanted something different from the Wizard.

Answer: Soap salesman
Tyler Durden sold soap, as revealed during his initial interaction with the Narrator.

Answer: 1929
Between 1886 and 1929 cocaine was a recurring ingredient in Coca Cola, as the drug was then legal and used for medicinal purposes.

Answer: Fish
April Fool's Day is referred to as April Fish Day, with jokes and pranks usually being centered on, as you may have guessed, fish.