They got similar
Romania had yellow blue and red as thier main colors and design that flag but when Romania became a communist country it use a communist coat of arms when Chad gained independence from the French they made a French inspired flag when Chad adopted the current flag there was no flag that yse the plain tri color of blue yellow and red and when communist fell Romania changw thier flag to a plain tri color of blue yellow and red Chad and Romania saw there flag being similar so Chad told Romania to change thier flag beacuse Chad adopted it first but Romania felt like they has that flag first so the flag never changed
So yeah history right there idk
