[August 27th, 1921] "A Flying Theatre. What is believed to be the first aerial motion picture show, was given on board an eleven passenger hydroplane which flew at the Chicago Pageant of Progress."
from /r/100yearsago
[1921年8月27日] "一个飞行剧院。据信这是第一次空中电影表演，是在一架11名乘客的水上飞机上进行的，该飞机在芝加哥的进步庆典上飞行。"