I want to know the answer to the following question:
When was migration finally accepted?
All the background I'm provided with is that "Thomas Bewick's A History of British Birds (Volume 1, 1797) mentions a report from "a very intelligent master of a vessel" who, "between the islands of Minorca and Majorca, saw great numbers of Swallows flying northward", and states the situation in Britain as follows:". Is that enough to answer the question?
Answer: no