Greek demonstrates several linguistic features that are shared with other Balkan languages, such as Albanian, Bulgarian and Eastern Romance languages (see Balkan sprachbund), and has absorbed many foreign words, primarily of Western European and Turkish origin. Because of the movements of Philhellenism and the Diafotismos in the 19th century, which emphasized the modern Greeks' ancient heritage, these foreign influences were excluded from official use via the creation of Katharevousa, a somewhat artificial form of Greek purged of all foreign influence and words, as the official language of the Greek state. In 1976, however, the Hellenic Parliament voted to make the spoken Dimotiki the official language, making Katharevousa obsolete.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What non-radical political changes occurred during the 19th century?
Ah, so.. unanswerable

The university's first chancellor was Joseph Gibson Hoyt. Crow secured the university charter from the Missouri General Assembly in 1853, and Eliot was named President of the Board of Trustees. Early on, Eliot solicited support from members of the local business community, including John O'Fallon, but Eliot failed to secure a permanent endowment. Washington University is unusual among major American universities in not having had a prior financial endowment. The institution had no backing of a religious organization, single wealthy patron, or earmarked government support.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What did did John O'Fallon do for a living?
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The European, American, and Japanese comics traditions have followed different paths. Europeans have seen their tradition as beginning with the Swiss Rodolphe Topffer from as early as 1827 and Americans have seen the origin of theirs in Richard F. Outcault's 1890s newspaper strip The Yellow Kid, though many Americans have come to recognize Topffer's precedence. Japan had a long prehistory of satirical cartoons and comics leading up to the World War II era. The ukiyo-e artist Hokusai popularized the Japanese term for comics and cartooning, manga, in the early 19th century. In the post-war era modern Japanese comics began to flourish when Osamu Tezuka produced a prolific body of work. Towards the close of the 20th century, these three traditions converged in a trend towards book-length comics: the comics album in Europe, the tankobon[a] in Japan, and the graphic novel in the English-speaking countries.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): When did Outcault's The Yellow Kid appear in newspapers?
Ah, so..
1890s