A glimpse of National Day Celebrations "Commemorating the spirit and traditions of nations on their special National Days." Oman National Day Oman National Day “Celebrating the National Day of Oman—honoring a legacy of unity, pride, and progress!” German National Day German National Day “Celebrating Unity and Culture on German National Day!” Qatar National Day Qatar National Day “Celebrating Qatar National Day with pride, unity, and a tribute to the nation’s rich heritage and achievements.”