Sheikh Zayed bin Khalifa Al Nahyan, also known as Zayed the Great or Zayed the First was the Sheikh of Abu Dhabi from 1855 to his death in 1909. He was the grandfather and namesake of Sheikh Zayed bin Sultan, founder of the United Arab Emirates.

Sheikh Zayed bin Sultan Al Nahyan was an Emirati royal, politician, philanthropist and the founder of the United Arab Emirates. Zayed served as the governor of Eastern Region from 1946 until he succeeded Sheikh Shakhbut as the ruler of Abu Dhabi in 1966, and then as the first president of the United Arab Emirates while he retained his position as Abu Dhabi's ruler from 1971 until his death in 2004. He is revered in the United Arab Emirates as the Waalid al-Ummah, credited for being the principal driving force behind uniting seven emirates.