Australia’s flag is the same color as the Union Jack—red，white and blue.The act of joining together is called a “Union”.The Union Jack was the name of the flag made when England，Scotland and Ireland joined together to make one country.It all began in 1707 when England and Scotland joined together to become one nation.A flag was made using two crosses—one for the patron saint(守护神) of each country.The word “patron” means protector.Many centuries before the English had taken St George as their patron saint，his emblem(标志) was a red cross on a white background.The Scottish patron saint was St Andrew.In memory of him，they used a white cross on a blue background.This cross was shaped