Keywords: Polish War Jack 17th century.svg Battle Jack of polish war ships in 17th century Reported in 1627 - Battle of Oliva Proporzec Bojowy polskich statków w XVII wieku Używany na pewno przez okręty wojenne polskiej floty w bitwie pod Oliwą w 1627 r http //akromer republika pl/flagi_pl_bandera html Adam Kromer - Polskie flagi - Proporzec Bojowy - Znak używany przez okręty wojenne polskiej floty 2009-03-24 07 16 UTC original work as gif Adam Kromer http //akromer republika pl/pl-kaper gif Proporzec Bojowy derivative work as svg Mboro <span class signature-talk >talk</span> PL Ensign Jacht Klub MW Kotwica svg colours resize etc Mboro Pirate_Flag_of_Thomas_Tew svg insignia original upload log This image is a derivative work of the following images File Pirate_Flag_of_Thomas_Tew svg licensed with PD-OpenClipart 2005-09-27T04 35 22Z EugeneZelenko 744x496 8353 Bytes <nowiki>Pirate flag of Thomas Tew http //www openclipart org/cgi-bin/navigate/signs_and_symbols/flags/historic/pirates Source PD-OpenClipart Special or fictional flags </nowiki> Uploaded with derivativeFX Flags with arms Flags with swords Naval jacks of Poland SVG flags - historical of Poland SVG flags - naval of Poland |