* 1819 – Peterloo Massacre: Seventeen people die and over 600 are injured in cavalry charges at a public meeting at St. Peter's Field, Manchester, England, United Kingdom.

Domestic tensions ran high at the start of the decade, with the Peterloo Massacre ( 1819 ), the Cato Street Conspiracy ( 1820 ), and the Radical War ( 1820 ) in Scotland.

* August 16 – Peterloo Massacre: The cavalry charges into a crowd of protesters in Manchester, UK, resulting in 11 deaths and over 400 injuries.

Eleven people were killed and several hundred injured, the event later to become known as the Peterloo Massacre.

His mother worked with the Anti-Corn Law League, and Pankhurst's paternal grandfather was present at the Peterloo Massacre, when cavalry charged and broke up a crowd demanding parliamentary reform.

The Peterloo Massacre ( or Battle of Peterloo ) occurred at St Peter's Field, Manchester, England, on 16 August 1819, when cavalry charged into a crowd of 60, 000 – 80, 000 that had gathered to demand the reform of parliamentary representation.

Historian Robert Poole has called the Peterloo Massacre one of the defining moments of its age.

He argued against parliamentary reform (" the railroad to ruin with the Devil for driver "), blamed the Peterloo Massacre on the allegedly revolutionary " rabble " killed and injured by government troops, and opposed Catholic emancipation.

A particularly notorious use of the act was the Peterloo Massacre of 1819 in Manchester.

* The Peterloo Massacre of 1819

In August 1819, Bamford led a group from Middleton to St Peter's Fields, to attend a meeting pressing for parliamentary reform and the repeal of the Corn Laws, where they witnessed the Peterloo Massacre.

Plaque commemorating the spot where the Middleton contingent gathered before being led to Peterloo Massacre | St Peter's Fields by Samuel Bamford

; 1819: Peterloo Massacre.

He was " a champion of aristocratic privilege ," reserved " Jacobin " as his highest term of opprobrium, held reactionary views on the Peterloo Massacre and the Sepoy rebellion, on Catholic Emancipation and the enfranchisement of the common people, and yet was also a staunch abolitionist on the issue of slavery.

In the United Kingdom, following the Peterloo Massacre of August 16, 1819, the British government acted to prevent any future disturbances by the introduction of new legislation, the so-called Six Acts which labelled any meeting for radical reform as " an overt act of treasonable conspiracy ".

* Peterloo Massacre

John Lees, a cotton operative and ex-soldier who had fought at Waterloo, was one of the fifteen victims of the Peterloo Massacre which followed.

" Yet the paper began to demonstrate a more independent editorial stance, criticising the authorities ' handling of the events surrounding the Peterloo Massacre and defying an 1820 court order against publishing details of the trial of the Cato Street Conspirators, who were alleged to have plotted to murder members of the Cabinet.

Ainsworth's school days were mixed ; his time within the school and with his family was calm even though there were struggles within the Manchester community, the Peterloo Massacre taking place in 1819.

His tenure also saw the Peterloo Massacre of 1819.

Important events during his tenure as Prime Minister included the War of 1812, the Sixth and Seventh Coalitions against the French Empire, the conclusion of the Napoleonic Wars at the Congress of Vienna, the Corn Laws, the Peterloo Massacre, the Trinitarian Act 1812 and the emerging issue of Catholic Emancipation.

Print of the Peterloo Massacre published by Richard Carlile

Following the Peterloo Massacre in 1819, his government imposed the repressive Six Acts legislation which limited, among other things, free speech and the right to gather for peaceful demonstration.

The work has been interpreted as a meditation on death ; as an allegory of artistic creation ; as Keats's response to the Peterloo Massacre, which took place in the same year ; and as an expression of nationalist sentiment.

Following the Peterloo massacre of 1819, poet Percy Shelley wrote the political poem The Mask of Anarchy later that year, that begins with the images of what he thought to be the unjust forms of authority of his time — and then imagines the stirrings of a new form of social action.

* A Letter to Lord Viscount Castlereagh, John C. Hobhouse, London: Robert Stodart ( 1819 ), on the Peterloo massacre

With the Peterloo massacre in August 1819 he inaugurated a policy of support for the Whig opposition in Parliament that contrasted with his predecessor's staunchly pro-Tory stance.

Taylor witnessed the Peterloo massacre in 1819, but was unimpressed by its leaders, writing:

Countering this view, Andrew Bennett, Nicholas Roe and others focused on what they believed were political allusions actually present in the poem, Roe arguing for a direct connection to the Peterloo Massacre of 1819.

A blue plaque records it was built on the site of the Peterloo Massacre in 1819.

On 16 August 1819, Chadderton ( like its neighbours ) sent a contingent of its townsfolk to Manchester to join the mass political demonstration now known as the Peterloo Massacre ( owing to the 15 deaths and 400 – 700 injuries which followed ).

Invited by the Patriotic Union Society, formed by the Manchester Observer, to be one of the scheduled speakers at a rally in Manchester on 16 August 1819, it became the Peterloo Massacre.

At the time of composing this poem, Shelley without doubt had the Peterloo Massacre of August 1819 in mind.

In 1819 The Peterloo Massacre signaled an end to repression by violence.

He led the Middleton contingent to the meeting at St. Peter's Fields in August 1819, pressing for parliamentary reform, which ended in the Peterloo Massacre.

On 16 August 1819, Royton ( like its neighbours ) sent a contingent of its townsfolk to Manchester to join the mass political demonstration now known as the Peterloo Massacre ( owing to the 15 deaths and 400 – 700 injuries that followed ).

The Peterloo massacre of August 1819 sparked protest demonstrations across Britain.

In 1819, the same team formed the Patriotic Union Society, which invited Henry " Orator " Hunt and Major Cartwright to speak at a reformist public rally in Manchester, but the elderly Cartwright was unable to attend what became the Peterloo Massacre.

The massacre was given the name Peterloo in ironic comparison to the Battle of Waterloo, which had taken place four years earlier.

For these reasons, Castlereagh appears with other members of Lord Liverpool's Cabinet in Shelley's poem The Masque of Anarchy, which was inspired by, and heavily critical of, the Peterloo massacre:

The more modern Yeomen of the 18th century were cavalry-based units, which were often used to suppress riots such as the infamous Peterloo Massacre.

The Six Acts, which followed the Peterloo massacre, would include further restrictions designed to limit the freedom of the press.