Question: Of the Dutch (Wubbo Ockels)  or Slovaks (Ivan Bella), who was the first nationality to go to space?
Sentence (from "Wubbo Ockels"): Wubbo Johannes Ockels (28 March 1946 – 18 May 2014) was a Dutch physicist and an astronaut of the European Space Agency (ESA).
Relevant evidence: Yes