Table:
text: Bears–Packers rivalry
1930s (Bears 12–11–1)
1930s (Bears 12–11–1)
Year_ Date_ Winner Result_ Loser Attendance Location_
1930 Sunday, September 28 Green Bay Packers 7–0 Chicago Bears 10000 Green Bay
1930 Sunday, November 9 Green Bay Packers 13–12 Chicago Bears 22000 Chicago
1930 Sunday, December 7 Chicago Bears 21–0 Green Bay Packers 20000 Chicago
1931 Sunday, September 27 Green Bay Packers 7–0 Chicago Bears 13500 Green Bay
1931 Sunday, November 1 Green Bay Packers 6–2 Chicago Bears 30000 Chicago
1931 Sunday, December 6 Chicago Bears 7–6 Green Bay Packers 18000 Chicago
1932 Sunday, September 25 Green Bay Packers 0–0 Chicago Bears 13000 Green Bay
1932 Sunday, October 16 Green Bay Packers 2–0 Chicago Bears 18000 Chicago

text: Bears–Packers rivalry
1930s (Bears 12–11–1)
1930s (Bears 12–11–1)
Year_ Date_ Winner Result_ Loser Attendance Location_
1932 Sunday, December 11 Chicago Bears 9–0 Green Bay Packers 5000 Chicago
1933 Sunday, September 24 Chicago Bears 14–7 Green Bay Packers 12000 Green Bay
1933 Sunday, October 22 Chicago Bears 10–7 Green Bay Packers 21000 Chicago
1933 Sunday, December 10 Chicago Bears 7–6 Green Bay Packers 7000 Chicago
1934 Sunday, September 23 Chicago Bears 24–10 Green Bay Packers 13500 Green Bay
1934 Sunday, October 28 Chicago Bears 27–14 Green Bay Packers 18000 Chicago
1935 Sunday, September 23 Green Bay Packers 7–0 Chicago Bears 13600 Green Bay
1935 Sunday, October 27 Green Bay Packers 17–14 Chicago Bears 29386 Chicago
1936 Sunday, September 23 Chicago Bears 30–3 Green Bay Packers 14312 Green Bay

text: Bears–Packers rivalry
1930s (Bears 12–11–1)
1930s (Bears 12–11–1)
Year_ Date_ Winner Result_ Loser Attendance Location_
1936 Sunday, November 1 Green Bay Packers 21–10 Chicago Bears 31346 Chicago
1937 Sunday, September 19 Chicago Bears 14–2 Green Bay Packers 16658 Green Bay
1937 Sunday, November 1 Green Bay Packers 24–14 Chicago Bears 44977 Chicago
1938 Sunday, September 18 Chicago Bears 2–0 Green Bay Packers 15172 Green Bay
1938 Sunday, November 6 Green Bay Packers 24–17 Chicago Bears 40208 Chicago
1939 Sunday, September 24 Green Bay Packers 21–16 Chicago Bears 19192 Green Bay
1939 Sunday, November 5 Chicago Bears 24–17 Chicago Bears 40537 Chicago

Question: In the 1930s Bears 12 11 1 Green Bay what date of the Bears-Packers rivalry did the Chicago Bears lose in Green Bay before 1931?