The Polish-American System of Chronology is a book written by Jazef Bem that reproduces the Franco-Polish method of chronology developed by General Bem in 1850. The book has been modified in some aspects to suit the needs of the Polish-American community. The system of chronology presented in the book is a unique method of assigning dates to historical events based on a combination of the Julian and Gregorian calendars. The book provides a detailed...