1890

In the Sherlock Holmes stories

• From 1882 to 1890, Sherlock Holmes was involved in many strange and interesting cases. (FIVE, 1)

April

• On 27 april 1890, in The Morning Chronicle was published the advertisement of The Red-Headed League. (REDH, 71)

October

• On 9 october 1890, The Red-Headed League was dissolved. (REDH, 219)