Flag of Crimea - Wikipedia

File:Russian Flag Chart part 2.jpg - Wikimedia Commons

File:Russian Flag Chart part 1.jpg - Wikimedia Commons

Technically, that's the evolution of DPR flag (yes, it's not just Russia with black) : r/vexillology

Russian Regalia

Flag of Russia, History, Design, Symbolism

Russian empire stylised flag | Postcard

Flag of Russian Empire 1914 by Metallist-99 on DeviantArt

City Flags: Russia Quiz - By bucoholico2

Historical Flags of Our Ancestors - Flags of Extremism - Part 2 (n)

Historical Flags of Our Ancestors - World War I Flags