september 2 is national day of vietnam, background with waving flag upside down

vietnam national day patriotism september government greeting asia country card poster background celebration vietnamese banner text vector design red holiday independence nation flag symbol template patriotic flyer patriot celebrate event freedom sign happy waving upside chi minh declaration revolutionary 1945 commemoration liberation unity sovereignty reunification war french colonial rule democratic republic hanoi flag-raising ceremony anthem victory celebrations parades festivities historical significance struggle president minh#39aph39#s speech resistance pride