Based on data from Yahoo & Stooq (prior to 1950):
7/31/1919*
9/30/1920*
5/29/1971*
10/31/73*
2/29/80*
1/31/1984*
7/31/1985*
7/31/1990*
1/31/1997*
*SPX traded lower in all instances in month(s) to follow
6/302005 , 12/30/2005 & 6/29/2018 also looks the same to me...no weakness to follow
Disclaimer: I am no expert in Candle stick pattern reading.