Saudi Arabia Flag: Meaning and History

History of the flag
Saudi Arabia has the only flag in the world that can never be flown at half mast as a sign of national mourning.
It was adopted in 1973, but was established in 1932, the year of the country's unification.
What do the elements of the flag mean?

The Shahada, ‘Testimony’ or ‘Attestation’ in Arabic, is the essential profession of faith in Islam.

The sword symbolizes the fight for God and justice.

The green represents Islam, and the white the peace and purity of the country.
