Complex sentence: The first violin competition named after Wieniawski took place in Warsaw in 1935, and the International Henryk Wieniawski Violin Competition has been held every five years since 1952.
Split into simpler sentences: The first violin competition named after Wieniawski took place in Warsaw in 1935. The International Henryk Wieniawski Violin Competition has been held every five years since 1952.