Most series that deal with real past times don't go for exact accuracy and play around as closely as possible with things that can be relevant among historic/pop-culture/cultural events/available props.
Timeline in the episodes : In Ep 1-3 the calendars are set to March, in Ep 4 its April.
Episode 1
- The national assembly elections being talked of since Ep 1-3 were held on 25 March 1992. The Presidential elections will be held on December 18th 1992.
- The posters for the election seen are for candidates from places of North Jeolla in the 1992 election. A poster for 1993 Daejeon Expo is also seen.
- North Jeolla is historically famous for it's Gochujang(chilli pepper paste) and the regional beauty contest exists.
- The beginning of elementary school which would be in beginning of March 1992
- The children entering should be 7/8 years
- Yong-bok's 3rd daughter is in class 2. Min-ho and Dong-u were standing in line for class 3.
- Min-ho's hand-me-down backpack from his cousin has the titular character from Magical Princess Minky Momo (1980s) on it.
- From Han Jeong-suk's resume she is 31 (17/8/'61) and she graduated elementary/middle/high school in '74/'77/'80. Her rrn seems to have North Jeolla code place of birth.
- According to Mrs Kim(Ra Mi-ran)'s story she'd have started her business in 1980s.
- Silence of the Lambs (Jun 1991)
Episode 2
- The song Uhm Dae-geun sings is Shin Seung-hun's "Don't Make me Cry"
- Epilogue charts out personal details of majority of Geumje resident's(main and recurring characters) personal details
Episode 3
- When questioned about when the rice seller bought the spray paint the hardware store owners talk of Animal Quiz Show with Son Bom-soo at 7-8pm slot. Son Bom-soo actually started from Apr 9, 1992 according to wikipedia and he became well known for it
- The action figure Min-ho receives is Kangnam Model's King Lion (GoLion/Voltron)
- The movie Min-ho goes to watch is Young-Gu and Daeng-Chil 4 (1991)
- Jeong-suk had marked March 31 as payday on her calendar
- Jeong-suk's mother(born 1935) would have been 32(korean age?) around 1966 ('65-'67) which would be when the backstory is set
Episode 4
- The kids in the video rental store try to chose between Ureme 6(1989) and Super Hong Kil-Dong 3(1989). Both released on video in 1990 a month apart respectively
- The Lotte traffic light candy/negeoli candy has been discontinued and re-continued since1990s
- Shim Shin. Song she hums is "You Are The Only One"
- Ep 4 ending- the famous Seo Taiji and the Boys TV broadcast was on April 11, 1992 and is thought to be their debut which had occured earlier
