On this date

In 1913, Copenhagen’s Little Mermaid statue, inspired by the Hans Christian Andersen story, was unveiled in the Danish city’s harbor.

In 1927, amid worldwide protests, Italian-born anarchists Nicola Sacco and Bartolomeo Vanzetti were executed in Boston for the murders of two men during a 1920 robbery.

In 1939, Nazi Germany and the Soviet Union agreed to a non-aggression treaty, the Molotov-Ribbentrop Pact, in Moscow.

In 1973, a bank robbery-turned-hostage-taking began in Stockholm, Sweden; the four hostages ended up empathizing with their captors, a psychological condition now referred to as “Stockholm Syndrome.”

In 1982, Lebanon’s parliament elected Christian militia leader Bashir Gemayel president. (Gemayel was assassinated three weeks later.)

In 1989, Yusuf Hawkins, a 16-yearold black youth, was shot dead after he and his friends were confronted by a group of white youths in the Bensonhurst section of Brooklyn. (Gunman Joey Fama was convicted of second-degree murder and sentenced to life in prison; he’ll be eligible for parole in 2022.)

In 2000, 51 million viewers tuned in for the finale of the first season of the CBS reality show “Survivor,” in which contestant Richard Hatch won the $1 million prize.

Ten years ago: At the Beijing Olympics, Angel Matos of Cuba and his coach were banned for life after the taekwondo athlete kicked the referee in the face following his bronzemedal match disqualification.

Five years ago: A military jury convicted Maj. Nidal Hasan in the 2009 shooting rampage at Fort Hood, Texas, that claimed 13 lives; he was later sentenced to death.

One year ago: City workers in Charlottesville, Va., draped black covers over two statues of Confederate generals to symbolize the city’s mourning for a woman killed while protesting a white nationalist rally.