Between 1921 and 1939 the white-red-white flag was used by the Belarusian national movement in West Belarus (part of the Second Polish Republic), both by political organizations like the Belarusian Peasants' and Workers' Union or the Belarusian Christian Democracy, and non-political organizations like the Belarusian Schools Society.
Pada tahun 1921 hingga 1939, bendera merah putih merah digunakan oleh gerakan nasional Belarus di Belarus Barat (bagian dari Republik Polandia Kedua) oleh kedua organisasi politik seperti Persatuan Petani dan Buruh Belarus atau Demokrasi Kristen Belarus maupun organisasi nonpolitk seperti Perhimpunan Sekolah Belarus.