¿µ±¹±¹±â, Union JackÀº UKÀÇ °ø½Ä ±¹±âÀÌ´Ù. ÀÌ Union JackÀº, ¿µ±¹ÀÇ ±ºÁÖÄ¡ÇϽñ⿡, ¼¼ °³ÀÇ °¢±â ´Ù¸¥ ³ª¶óµéÀÇ ±¹±â°¡ ÇÕÇØÁ®¼ Çü¼ºµÈ °ÍÀÌ´Ù. ÀÌµé ¼¼ ³ª¶ó´Â England, Scotland, ±×¸®°í, Northern IrelandÀÌ´Ù. (»ç½Ç Northern Ireland ±¹±â¶ó°í ¸»ÇÏ´Â ±¹±â´Â ¿ø·¡´Â Ireland±¹±â¿´À¸³ª, Ireland°¡ 1922³â¿¡ µ¶¸³Çϸé¼, ÀÌ Ireland ±¹±â´Â Northern Ireland¸¦ ´ëÇ¥ÇÏ´Â ±¹±â°¡ µÇ¾ú´Ù.)
St George - England

England (¿µ±¹)ÀÇ ±¹±â´Â St. George·Î ´ëÇ¥µÈ´Ù. A.D. 1194³â¿¡ Richard I ¼¼´Â ÇÏ¾á ¹ÙÅÁ¿¡ »¡°£ ½ÊÀÚ°¡°¡ µé¾î°¡ ÀÖ´Â The Cross of St. George¸¦ ¿µ±¹ ±¹±â·Î äÅÃÇÏ¿´°í, ÀÌ´Â °ð EnglandÀÇ ±¹±â°¡ µÈ´Ù. ¹°·Ð, ÀÌ ½Ã±â¿¡ England, Scotland, Wales ±×¸®°í Ireland´Â °¢±â ´Ù¸¥ µ¶¸³±¹°¡µé·Î Á¸ÀçÇÏ°í ÀÖ¾ú´Ù. ±×·¯³ª, ÀÌ °³º°±¹°¡µéÀÇ µ¶¸³»óÅ´ °ð Ä¿´Ù¶õ º¯ÈÀÇ ½Ã±â¸¦ ¸ÂÀÌÇÏ°Ô µÈ´Ù.
St Andrew - Scotland

ScotlandÀÇ ±¹±â´Â St Andrew·Î ´ëÇ¥µÇ¸ç, û»ö¹ÙÅÁ¿¡ ÇϾá»ö ´ë°¢¼± ½ÊÀÚ°¡·Î¼ ¡°XÀÚÇü ½ÊÀÚ¡± ȤÀº ¡°¼º ¾Èµå·¹¾Æ ½ÊÀÚ°¡ (saltire)¡± ·Î ºÒ¸®±âµµ ÇÑ´Ù. 1603³â, EnglandÀÇ Queen Elizabeth I¼¼°¡ Á×Àº ÈÄ¿¡, ScotlandÀÇ King James VI¼¼´Â EnglandÀÇ ¿Õ±ÇÀ» ¹°·Á¹ÞÀ¸¸ç King James I·Î EnglandÀÇ ¿Õµµ °âÇÏ°Ô µÈ´Ù. ±×·¯³ª, ÀÌ´Â ´ÜÁö ¿Õ±ÇÀÇ °áÇÕÀ̾úÁö ±¹°¡°£ÀÇ °áÇÕÀº ¾Æ´Ï¾ú´Ù. England¿Í Scotland´Â °¢±â ÀÚ±âµéÀÇ ÀÇȸ¸¦ °è¼Ó À¯ÁöÇÏ°í ÀÖ¾ú´Ù. EnglandÀÇ ¿Õ±îÁö °âÇÏ°Ô µÈ James´Â ¿Õ±ÇÃʱ⿡ England¿Í Scotland¸¦ ÇϳªÀÇ Great BritainÀ¸·Î ¸¸µé°íÀÚ ½ÃµµÇϸç À̸¦ 1604³â 3¿ù 22ÀÏ ±¹È¸¿¡ »óÁ¤ÇÏ¿´À¸³ª, ±¹È¸´Â À̸¦ °ÅºÎÇÏ¿´´Ù. ±×·¯ÀÚ, James´Â ±¹È¸ÀÇ °ÅºÎ¸¦ ¹«½ÃÇÏ°í 1604³â 10¿ù 20ÀÏ¿¡ ½º½º·Î¸¦ ¡°King of Great Britain¡±À̶ó´Â »õ·Î¿î Īȣ·Î ¼±¾ðÇÏ¿´À¸³ª, ¿ÕÀÇ ¹è¿¡ ¾î´À ³ª¶ó ±¹±â¸¦ °Ô¾çÇØ¾ß ÇØ¾ß Çϴ°¡ ÇÏ´Â ¹®Á¦°¡ Á¦±âµÇ¾ú´Ù. England¿Í Scotland ¾ç±¹ÀÇ ¼±¿øµéÀº ¼·Î »ó´ë±¹ÀÇ ±¹±â¸¦ ¾÷½Å¿©±â´Â µîÀÇ ¹®Á¦°¡ ¹ß»ýÇÏ¿´À¸³ª, ÀÌ ¹®Á¦´Â, °á±¹ 1606³â¿¡ ÇØ°áµÇ¾ú´Ù.
EnglandÀÇ St George + ScotlandÀÇ St Andrew
The first Union Flag (1606)

England¿Í Scotland µÎ ³ª¶ó´Â ¼·Î ŸÇùÇÏ¿© óÀ½À¸·Î ¡°Union Jack¡±À» ¸¸µé¾î ³Â´Ù. 1606³â 4¿ù 12ÀÏ, England¿Í Scotland´Â Ç×ÇØ¿¡ »ç¿ëÇϱâ À§ÇÏ¿© µÎ ±¹°¡ÀÇ ±¹±â¸¦ °áÇÕÇÏ¿´´Ù. ±×°ÍÀÌ ¡°Union Jack¡± ÀÇ Ã³À½ ź»ýÀ̾ú´Ù. ±×·¯³ª, England¿Í Scotland ÇؾȰ¡¿¡¼´Â °¢°¢ ÀÚ±¹ÀÇ ¿¾³¯ ±¹±â¸¦ °è¼ÓÇؼ »ç¿ëÇÏ¿´´Ù. ÀÌ¿¡ ¿Õ½ÇÀº Great Britain ¿Õ±¹ÀÇ ¸ðµç ¹èµéÀº St GeorgeÀÇ »¡°£»ö ½ÊÀÚ°¡°¡ St AndrewÀÇ ÇϾá»ö ½ÊÀÚ°¡ À§¿¡ ¿Ã¶ó°¡ ÀÖ´Â Union JackÀ» µÀ´ëÀÇ ¸Á·ç¿¡ °Ô¾çÇϵµ·Ï ÇÏ´Â ¿Õ·ÉÀ» ¹ßÇ¥ÇÏ¿´´Ù. Union JackÀ» µµ¾ÈÇÒ ¶§, St GeorgeÀÇ »¡°£»ö ½ÊÀÚ°¡°¡ St AndrewÀÇ ±¹±â À§¿¡ ³õ¿©Áú ¶§, »¡°£»ö ½ÊÀÚ°¡ ÁÖÀ§¿¡ ÇϾá»ö °æ°è¼±ÀÌ ´õÇØÁ³´Ù. ÀÌ´Â Union JackÀÇ È·ÁÇÑ ¹®¾çÀ» À§ÇÑ °Íµµ ÀÖÁö¸¸, EnglandÀÇ St George¿Í ScotlandÀÇ St AndrewÀÇ µÎ ±¹°¡°¡ ¼·Î Ãæµ¹Çؼ´Â ¾È µÈ´Ù´Â Àǹ̵µ ³»Æ÷µÇ¾î ÀÖ´Ù. 1707³â 7¿ù 28ÀÏ, ¾Ø ¿©¿Õ (Queen Anne)ÀÇ ÀçÀӱⰣ µ¿¾È, ÀÌ Union JackÀº ¿Õ½ÇÀÇ Æ÷°í·Î ÀÎÇÏ¿© Great BritainÀÇ ±¹±â°¡ µÇ¾úÀ¸¸ç, ÇؾÈÀ̳ª ÇØ»óÀÇ ¸ðµç ¼±¹Úµé ¿ª½Ã ÀÌ Union JackÀ» °Ô¾çÇϵµ·Ï ÇÏ¿´´Ù. England¿Í Scotland µÎ ³ª¶ó°¡ ¿¬ÇÕÇÏ¿© 1707³â¿¡ ¹ßÇ¥ÇÑ ÅëÀϹýÀ̳ª ¿¬ÇÕ¹ýÀ¸·Î Çؼ®µÉ¸¸ÇÑ ¡°The Act of Union of 1707¡±Àº ÇϳªÀÇ ÀÇȸ¾Æ·¡ ¡°United Kingdom of Great Britain¡±À̶ó°í ºÒ¸®´Â ÇϳªÀÇ ¿Õ±¹À» ¸¸µå´Â °è±â°¡ µÇ¾ú´Ù. ÀÌÁ¦ England, Wales, ±×¸®°í Scotland´Â ÇϳªÀÇ ÀÇȸ¸¦ °¡Áö°í ÇÑ ¸íÀÇ ±ºÁÖ ÇÏ¿¡ ¿¬ÇÕÇÏ°Ô µÇ¾ú´Ù. ¿Õ¸³ÇرºÀÌ ¡°¿¬Çձ⡱¸¦ ¿µ±¹±¹±â·Î óÀ½ »ç¿ëÇÏ¿´´Ù.
Northern Ireland - St Patrick

Ireland´Â ÇϾá»ö ¹ÙÅÁ¿¡ ´ë°¢¼±ÀÇ »¡°£ ½ÊÀÚ°¡°¡ ±×·ÁÁ® ÀÖ´Â St PatrickÀ¸·Î ´ëÇ¥µÈ´Ù. 1801³â 1¿ù 1ÀÏ, Ireland°¡ Great Britain¿¡ ÇÕº´µÊ¿¡ µû¶ó Ireland¸¦ Æ÷ÇÔ½ÃŲ »õ·Î¿î ±¹±â¸¦ µµ¾ÈÇÒ Çʿ伺ÀÌ ´ëµÎµÇ¾ú´Ù. µû¶ó¼, IrelandÀÇ St Patrick ±¹±â´Â ±âÁ¸ÀÇ St George ±¹±â¿Í St AndrewÀÇ ±¹±â¸¦ °áÇÕÇÏ¿© ¸¸µç Union Flag¿¡ °áÇÕÇÏ¿© »õ·Î¿î Union Flag¸¦ ź»ý½ÃÅ°°Ô µÈ´Ù.

St PatrickÀÇ »¡°£»ö ´ë°¢¼± ½ÊÀÚ°¡´Â St AndrewÀÇ ÇϾá»ö ´ë°¢¼± ½ÊÀÚ°¡ ¾È¿¡ ³¢¿öÁ³À¸³ª, °¡¿îµ¥ Áß¾ÓÀ» Áß½ÉÀ¸·Î ¾çÂÊ »¡°£»ö ½ÊÀÚ°¡¸¦ ±³Â÷½ÃÅ°¸ç ¼·Î ºñ´ëĪÀûÀ¸·Î ¹èÄ¡½ÃÄ×´Ù. ÀÌ´Â Scotland°¡ Irelandº¸´Ù 200³â ¾Õ¼ Union¿¡ °¡ÀÔÇÏ¿´±â ¶§¹®¿¡, ScotlandÀÇ St AndrewÀÇ ÇϾá»ö ´ë°¢¼± ½ÊÀÚ°¡¸¦ ±ê´ë¿¡¼ °¡Àå °¡±î¿î À§ÂÊÀÇ 1/4 ÁöÁ¡ÀÎ ÃÖ°íÀÇ ÀÚ¸®¿¡ À§Ä¡½ÃÅ°±â À§ÇÔÀÌ´Ù. À̸®ÇÏ¿© England, Wales, Scotland, ±×¸®°í Ireland°¡ ¸ðµÎ ÇϳªÀÇ ¿¬ÇÕµÈ ±¹°¡°¡ µÇ¾ú°í, ±¹È£µµ The United Kingdom of Great Britain and Ireland·Î ºÒ¸®°Ô µÇ¾ú´Ù. ±×·¯³ª, ÀÌ ±¹È£´Â 1921³â Ireland°¡ µ¶¸³ÇÏ¸é¼ The United Kingdom of Great Britain and Northern Ireland·Î ¹Ù²î°Ô µÈ´Ù. ±×·¸Áö¸¸, St PatrickÀÇ »¡°£»ö ´ë°¢¼± ½ÊÀÚ°¡´Â Union Jack¿¡ ±×´ë·Î ³²¾Æ Northern Ireland¸¦ ´ëÇ¥ÇÏ°í ÀÖ´Ù.
Union Jack¿¡ Wales ±¹±â°¡ Æ÷ÇԵǾî ÀÖÁö ¾ÊÀº ÀÌÀ¯

¿µ±¹ ±¹±âÀÎ Union Jack¿¡´Â Wales ±¹±â°¡ Æ÷ÇԵǾî ÀÖÁö ¾Ê´Ù. À̸¦ ÀÌÇØÇϱâ À§Çؼ´Â England¿Í WalesÀÇ °ü°è¸¦ ¸ÕÀú ¾Ë¾Æ¾ß Çϸç, ÀÌ´Â 13¼¼±â±îÁö °Å½½·¯ ¿Ã¶ó°£´Ù. 13¼¼±â¿¡ Wales´Â ÀÌ¹Ì England ±ºÁÖÀÇ ÅëÄ¡¸¦ ¹Þ´Â »óÅ¿¡ ÀÖ¾úÀ¸¹Ç·Î, Wales´Â ÇϳªÀÇ µ¶¸³µÈ ¿Õ±¹ (Kingdom)ÀÇ ÁöÀ§¸¦ »ó½ÇÇÏ°í ÀÖ¾ú´Ù. °Ô´Ù°¡, 1536³â¿¡´Â Henry VIII°¡ ¡°ÅëÀϹý¡± ȤÀº ¡°¿¬ÇÕ¹ý¡±À̶ó°í Çؼ®µÉ ¸¸ÇÑ ¡°Act of Union¡±À» Åë°ú ½ÃÅ°¸ç Wales¸¦ °ø½ÄÀûÀ¸·Î EnglandÀÇ ÇÑ province·Î ¸¸µç´Ù. µû¶ó¼, Union JackÀÌ ¸¸µé¾î Áö´ø ½Ã±âÀÎ 1606³â¿¡ Wales´Â ´Ù¸¥ µ¶¸³ ±¹°¡µé°ú´Â (Scotland¿Í Ireland) ´Þ¸®, ÀÌ¹Ì EnglandÀÇ ¼Ó±¹ÀÌ µÇ¾î ÀÖ¾úÀ¸¹Ç·Î WalesÀÇ ±¹±â°¡ Union Jack¿¡¼ ¹èÁ¦µÈ °ÍÀÌ´Ù.