Which 17th-century English philosopher and physician is credited with developing the concept of the 'tabula rasa' or blank slate in his influential work, 'An Essay Concerning Human Understanding'?

The 'Great Emu War' was a unique conflict in Australian history where the military was deployed against which animal, due to their agricultural damage?

Which early 19th-century European intellectual movement, deeply influenced by thinkers like Herder and Fichte, emphasized the unique spirit and cultural identity of a nation, often expressed through folklore and language?