The five places and moments from this day’s puzzle.
Round 1: historic event, world
2018 North Korea–United States Singapore Summit
Happened in Singapore, on June 12, 2018.
Round 2: landmark
Little Rock Central High School
Built in Little Rock, Arkansas, in 1905.
Round 3: landmark
Three Mile Island Nuclear Generating Station
Opened in Pennsylvania, on September 2, 1974.
Round 4: historic event, world
Battle of Agincourt
Happened in Azincourt, France, on October 25, 1415.
Round 5: pop culture
Armando Galarraga's near-perfect game
Happened in Michigan, on June 2, 2010.
Facts quoted from Wikipedia (CC BY-SA 4.0) and Wikidata.