What is the birthday of the person for whom The Mevlana Mosque in Rotterdam was named for?
Rumi Jalāl ad-Dīn Muhammad Rūmī (Persian: جلال‌الدین محمد رومی‎ ‎ ), also known as Jalāl ad-Dīn Muhammad Balkhī (جلال‌الدین محمد بلخى ), Mevlânâ/Mawlānā (مولانا , "our master"), Mevlevî/Mawlawī (مولوی , "my master"), and more popularly simply as Rumi (30 September 1207 – 17 December 1273), was a 13th-century Persian Sunni Muslim poet, jurist, Islamic scholar, theologian, and Sufi mystic. Rumi's influence transcends national borders and ethnic divisions: Iranians, Tajiks, Turks, Greeks, Pashtuns, other Central Asian Muslims, and the Muslims of South Asia have greatly appreciated his spiritual legacy for the past seven centuries. His poems have been widely translated into many of the world's languages and transposed into various formats. Rumi has been described as the "most popular poet" and the "best selling poet" in the United States.
Johann Euler Johann Albrecht Euler (27 November 1734 – 17 September 1800) was a Swiss-Russian astronomer and mathematician. Also known as "Johann Albert Euler" or "John-Albert Euler", he was the first child born to the great Swiss mathematician Leonhard Euler (1707–1783), who had emigrated [for the first time] to Saint-Petersburg on 17 May 1727. His mother was Katharina Gsell (1707–1773) whose maternal grandmother was the famous scientific illustrator Maria Sibylla Merian (1647–1717) and whose father was the Swiss Baroque painter Georg Gsell (1673–1740) who had emigrated to Russia in 1716. Katharina married Leonhard Euler on 7 January 1734 and Johann Albert would be the eldest of their 13 children (only 5 of whom survived childhood).