40° The proposal was made by Sheikh Yusuf al-Qaradawi and other Muslim clerics meeting in Doha, Qatar on April 21, 2008 for a conference titled "Mecca: the Center of the Earth, Theory and Practice".
Rencana ini dicetuskan oleh Sheikh Yusuf al-Qaradawi dan beberapa ulama Muslim lainnya di Doha, Qatar, tanggal 21 April 2008 pada konferensi bertajuk "Mekkah: Pusat Bumi, Teori, dan Praktik."