- 1009 27 Sep Caliph al Hakim orders the destruction of Church of the Holy Sepulchre, Jerusalem, a Christian holy site.
- 1825 27 Sep The world's first steam locomotive passenger railway opens between Stockton and Darlington.
- 1940 27 Sep Germany, Italy and Japan sign a 10 year military and economic aid pact, dubbed the 'Axis'.

