महात्मा ज्योतिराव फुले ने किस वर्ष 'सत्यशोधक समाज' की स्थापना की थी?

The Young Bengal Movement (1809-1831), which encouraged free thought, rationalism, and the ideals of liberty and equality among Bengal's youth, was started by which teacher and poet?

To reform the caste-ridden society and to promote social equality, a call for 'one caste, one religion and one god for all human beings' was given by ________.