don't go before 1/1/1900 in history window. Fixes #5684

src/history_window.py

@@ -337,6 +337,11 @@ class HistoryWindow:
         if not self.jid:
             return
         year, month, day = widget.get_date() # integers
+        if year < 1900:
+            widget.select_month(0, 1900)
+            widget.select_day(1)
+            return
+
         # in gtk January is 1, in python January is 0,
         # I want the second
         # first day of month is 1 not 0