On This Day Your Teacher 5 years ago 16th September 1968 – Royal Mail, in the UK, began the two-tier postal system of first and second class stamps. Share this:Print On This DayDateSeptember 15,In relation toon this dayInteresting Fact – MoneyDateJuly 19,In relation toVocabularyInteresting Fact – MoneyDateJuly 19,In relation toVocabulary
