where does the name union jack come from
Union Jack In 1606, James VI gave orders for a British flag to be created which bore the combined crosses of St. George and of St. Andrew. The result was the Union Jack, Jack being a shortening of Jacobus, the Latin version of James".
Polka dot It is likely that the term originated in popularity of polka dance at the time the pattern became fashionable, just as many other products and fashions of the era also adopted the "polka" name.[1]
Alonso Álvarez de Pineda
Rabbit rabbit rabbit The exact origin of the superstition is unknown, though it was recorded in Notes and Queries as being said by children in 1909: