 Complete the following phrase:  The commemoration was established in 1996 then to be celebrated August 1. Till 2012 the day was celebrated on August 1. From 2012 till 2015 Ukraine had the same date for its Navy Day as Russia the last Sunday of July and the Soviet Union like Russia, Ukraine is a former Soviet republic; the Soviet Union introduced its Navy Day in June 1939; the date was chosen because of a connection with the day the 