diff --git a/yfinance/base.py b/yfinance/base.py
index 3943e89d7..8e40831b8 100644
--- a/yfinance/base.py
+++ b/yfinance/base.py
@@ -167,7 +167,8 @@ def history(self, period="1mo", interval="1d",
                 if interval == "1m":
                     start = end - 604800  # Subtract 7 days
                 else:
-                    start = -631159200
+                    #time stamp of 01/01/1900
+                    start = -2208994789
             else:
                 start = utils._parse_user_dt(start, tz)
             params = {"period1": start, "period2": end}