That's it, until somebody comes up with an earlier citation of the new words used in their current meaning.

They also found an interesting pattern in regard to early citations.

Moreover, as we in the dictionary biz are only too well aware, an earlier citation might be found today or tomorrow, making the information obsolete.

The earliest citation is a 1773 letter by Benjamin Franklin.

The earliest citation recorded by the dictionary dates from 1858.

An early explicit citation to patterns of social structure can be found in the anthropological literature.

Another early citation, still in French, is from 1690.

The earliest citation known is from 1946, in Startling Stories.

The earliest citation given for this meaning is from 1833.

You may be interested in another, slightly earlier citation I encountered today.