Date of Litvak census #lithuania #records

Bob Silverstein

I am researching someone in the 1858 Litvak census.  It says he was 13 years old in the previous revision date 1858.  What was the date of the previous revision?

Bob Silverstein
Elk Grove Village, IL

Researching Kaplan (Krynki, Poland) Tzipershteyn (Logishin, Pinsk, Belarus), Friedson/Fridzon (Pinsk, Cuba, Massachusetts), Israel and Goodman (Mishnitz, Warsaw, Manchester).