World Championships for biathlon were first held in 1958 with only one event. The number of events has grown over the years. In 1984, women first participated.
In some years, it was necessary to schedule some events at other venues because of the weather. Until 1992, no World Championships were held in Olympic seasons.
... some have split in turn. Only some of the continuing branches from the main bodies are listed here, with the year of their separation.
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