Tags: Year.
1939 (MCMXXXIX)was a common year starting on Sunday (link will display the full calendar) of the Gregorian calendar the 1939th year of the Common Era (CE) and Anno Domini (AD) designations the 939th year of the 2nd millennium the 39th year of the 20th century and the 10th and last year of the 1930s decade. This year also marks the start of the Second World War the deadliest human conflict in history.