Simplify the following text for a Grade 9 native English-speaking person.
Original: The first multilateral competition at international level was the 1912 Triangular Tournament , a Test cricket tournament played in England between all three Test-playing nations at the time : England , Australia and South Africa .
Simplified: The first multi team competition at international level was the 1912 Triangular Tournament . It was a Test cricket tournament played in England between England , Australia and South Africa .