receive salaries for the first time. 13 August – Liverpool general transport strike: "Bloody Sunday" – the centre of Liverpool is rocked by violence when a meeting of striking transport workers is broken up by police and soldiers and a number of policemen and many strikers are seriously injured. 15 August – Liverpool general transport strike: two men are shot dead on Liverpool's Vauxhall Road by mounted troops during continued unrest following "Bloody Sunday". 17–20 August – national railway workers' strike. 18 August – the Parliament Act removes the House of Lords' power regarding budgets and restricts their power over other bills to a two-year suspensive veto. 19 August – Llanelli riots: During demonstrations in support of the national railway strike, two men are shot dead by soldiers of the Worcestershire Regiment in Llanelli. Magistrates' homes are attacked and four more of the crowd are killed outright when explosive material stored on railway property ignites. 22 August – the Official Secrets Act 1911 comes into effect. 9–26 September – the world's first scheduled airmail post service is flown between Hendon, North London, and Windsor, Berkshire. 20 September – the new liner RMS Olympic, sister ship to the Titanic, collides with Royal Navy cruiser HMS Hawke off Southampton; there is no loss of life or serious injury. 24 September – Britain's first rigid airship, HMA No. 1 ("Mayfly"), built for the Royal Navy, breaks in half and is wrecked during a pre-commissioning ground test at her builders, Vickers of Barrow-in-Furness. 4 October – the first electric escalators to be introduced to the public, at Earl's Court tube station in London. 6 October – the British Seafarers' Union is formed in Southampton. 28 October – the respective dioceses are elevated to the status of Roman Catholic Archdiocese of Birmingham and of Liverpool. November – Virginia Stephen begins to share her brother Adrian Stephen's London house at 38 Brunswick Square with other members of the Bloomsbury Group: Leonard Woolf (her future husband), John Maynard Keynes and Duncan Grant. 8 November – the first rugby league football Test of the 1911–12 Kangaroo tour of Great Britain is played between Australasia and Great Britain at Newcastle upon Tyne. 21 November – suffragettes storm Parliament in London. All are arrested and choose prison terms. 24 November – an explosion starting in the basement of Bibby's Oil cake mill in Liverpool leaves thirty-nine dead and one hundred