до конца 19 века стало понятно

до конца 19 века стало понятно

Результаты (английский) 1:

until the end of the 19th century, it became clear

Результаты (английский) 2:

until the late 19th century, it became clear

Результаты (английский) 3:

before the end of the 19th century it was clear