What is “secularism”? Secular States in the World?

ALI AKANSU

Great Seljuq Empire
The first secular country in the history. (1037–1194)

https://en.wikipedia.org/wiki/Great_Seljuq_Empire

What is “secularism”

?

https://en.wikipedia.org/wiki/Secularism

Secular States in the World (see map)

https://en.wikipedia.org/wiki/Secular_state

FORMER SECULAR STATES
Pakistan
Bangladesh
Iran
Iraq
Madagascar