As the Rada was eventually overthrown in a German-backed coup (April 29, 1918), the rule of a Hetmanate led by Pavlo Skoropadsky was established. While the stability of the government was only relative and Skoropadsky himself, as a former officer of the tsarist army, spoke Russian rather than Ukrainian, the Hetmanate managed to start an impressive Ukrainian cultural and education program, printed millions of Ukrainian-language textbooks, and established many Ukrainian schools, two universities, and a Ukrainian Academy of Sciences. The latter established a Committee on Orthography and Terminology, which initiated a scholarly and methodological research program into Ukrainian terminology.