- Jul 4 The Cunard Line's 700 ton wooden paddle steamer RMS Britannia departs from Liverpool bound for Halifax, Nova Scotia on the first transatlantic crossing with a scheduled end
- Jul 6 Christian Hebbel's "Judith" premieres in Berlin
- Jul 15 Great Britain, Russia, Austria and Prussia sign Quadruple Alliance
- Jul 23 Union Act passed by British Parliament, uniting Upper & Lower Canada