- April 1: Oddfellows Hotel opened.
- June 2: The Fremantle Town Hall opened.
- June 3: After a ball at the Town Hall, William Conroy shoots Cr Snook, who later dies. Conroy put on trial for wilful murder and hanged 18 November 1887, the last man to be hanged within the precincts of Perth gaol.
- Contract let to R.O. Law to build a new approach and extend the Long Jetty by 1,000 feet in a westerly direction towards Gage Roads.
Freotopia
This page incorporates material from Garry Gillard's Freotopia website, that he started in 2014 and the contents of which he donated to Wikimedia Australia in 2024. The content was originally created on 6 August, 2015 and hosted at freotopia.org/timeline/1887.html (it was last updated on 19 December, 2018), and has been edited since it was imported here (see page history). The donated data is also preserved in the Internet Archive's collection.