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https://tools.wmflabs.org/fist/wdfist/?depth=3&language=en&project=wikipedia&sparql=SELECT%20?item%20%7B%20?item%20wdt:P31/wdt:P279*%20wd:Q11424%20.%20?item%20wdt:P577%20?d%20.%20FILTER(%20YEAR(?d)%20%3C%201940%20)%20FILTER%20NOT%20EXISTS%20%7B?item%20wdt:P3383%20%5b%5d%7D%20%7D&remove_used=1&remove_multiple=1&prefilled=1