Showa 52

The Japanese calender uses the year of the current emperor's reign to represent the date (It's currently Heisei 18). One of the most important emperors in recent history was Showa (known to the west as Hirohito). The year Showa 52 is equal to our year 1977. So what important events occured in 1977 that might be important to our 52?

- Elvis died!
- Star Wars was released in theatres!
- Jimmy Carter became president!
- The Yankees won the world series!
- Snow fell on Miami!

What other terrifying events occured in years with tenuous connections to the number 52?