In the 18th century, American Revolutionary War writer Thomas Paine proposed that a rainbow flag be used as a maritime flag to signify neutral ships in time of war. 5 Use of rainbow flag colors in different designs.4 Use of rainbow flag in various settings.2.6 LGBT (Lesbian, Gay, Bisexual, Transgender) Pride (1978).
2.2 Armenian Republic proposed flag (1919).2 Rainbow flags in various cultures and movements.