Green’s Dictionary of Slang

Buffalo Bill’s Wild West Show, which arrived in London in 1887 (and was seen at Earl’s Court by Queen Victoria).

1887		Referee 15 May in Ware (1909) 270/1: Bill West’s Wild Buffalo – I mean West Buffalo’s Wild Bill – at any rate, you know what I do mean, though I can’t get it quite right – has been the Jubilee boom up to the present. Her gracious Majesty has been to the Yankeeries.
1887		Sunderland Dly Echo 10 May 4/5: The Yankeeries. Opening Ceremony [...] The American Exhibition at West Brompton was declared open to-day.