2. dates back to the 19th century when in 1871 and 1875 most of these days were holidays, that is, days on which batiks were to be....

Ответ

The term dates back to the 19th century when in 1871 and 1875 most of these days were holidays, that is, days on which batiks were to be displayed.

Перевод

Этот термин восходит к 19 веку, когда в 1871 и 1875 годах большинство этих дней были праздниками, то есть днями, когда батики должны были выставляться.