Complex sentence: Further modifications were proposed in the 1930s, but with Jespersen's death in 1943, it became dormant, although in the 1990s, with the revival of interest in artificial language brought on by the Internet, many people rediscovered Novial.
Split into simpler sentences: Further modifications were proposed in the 1930s, but the language became dormant with Jespersen's death in 1943. In the 1990s, with the revival of interest in artificial language brought on by the Internet, many people rediscovered Novial.