و آر ایل:https://www.thoughtco.com/thmb/XZdV6LLwv6JfhyM1ivtKy6QuoIs=/768x0/filters:no_upscale():max_bytes(150000):strip_icc()/1980s-timeline-1779955_v3-5b47ad29c9e77c00378865b4.png
و آر ایل:https://www.greelane.com/ja/文系/歴史と文化/1980s-timeline-1779955/
