After West Germany won the inaugural world championships in 1962 , East Germany won all subsequent events in 1966 , 1970 , and 1974 .
Head entity: 1966 Q1932022 18
Tail entity: world championships in 1962 Q1833521 6 7 8 9
Relation (head \u2192 tail): P156
Inverse relation (tail \u2192 head): P155