Y
- Yemen: الڷه، الوطن، الثورة، الوحدة (Allāh, Al-Waṭan, Ath-Thawrah, Al-Waḥdah) (Arabic, God, Nation, Revolution, Unity)
- South Yemen: جمهرݐة الݐمن الدݐمقراطݐة الشعبݐة (Jumhūrīya al-Yaman ad-Dīmuqrāṭīyah ash-Sha'bīyah) (Arabic, People's Democratic Republic of Yemen)
- Yugoslavia: 29-XI-1943 (29 November 1943, the date when the Yugoslav Anti-Fascist Council first met)
Read more about this topic: List Of National Mottos