Why does the FamilySearch timeline for my grandpa show 4 "World Census" events?

danrb

The FamilySearch timeline for my grandpa shows 4 instances of "World Census," each with a map marker in the middle of the Atlantic Ocean.

The associated dates are 1930,1935, 1950, and 1955.

I seen no actual information associated with these supposed "World Census" events.

Why are these listed in my grandpa's timeline?

Dan B., Orem, Utah

Dlog

Hello @danrb

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