An act for regulating the commencement of the year and for correcting the calendar now in use (24 Geo. 2. c. 23) In Britain, the day after 2 September, 1752, was called 14 September, 1752, to make the change from the Julian to the Gregorian calendar. OS ➡️ NS

Carson: "I will be loyal - even if I have to wreck the Empire." John Bull: "Well, you’ve made a start. Heard from Belfast lately?". Ernest Forbes, 14 September, 1920: National Library of Ireland

Sir Peter Markham Scott, painter, ornithologist, naval officer, broadcaster & sportsman, was born in London on 14 September, 1909. Photo via The Royal Society

Niall Glúndub, King of Tara, died on 14 September, 919, as he marched on Dublin. See Dictionary of Irish Biography entry: dib.ie/biography/nial…

Henrietta Letitia Sophia Shackleton (née Gavan), mother of Sir Ernest Shackleton, d. at her home in Sydenham, on 14 Sept., 1926. She was buried at Elmers End Cemetery, Beckenham, after a service at St Bartholomew’s Church, Sydenham, on 18 Sept. Image: Daily Mirror, 15/9/1926.

SY ‘Discovery’, principal ship of R. F. Scott’s #Antarctic expedition arrived in London on 15 September, 1904, marking the end of the British National Antarctic Expedition. The Times and The Sunday Times, 16 September, 1904. The ship was built in Dundee and in Dundee she belongs. Discovery Point

Titus Oates, maker-upper of stuff, was born in Oakham, Rutland, on 15 September, 1649. Image: Österreichische Nationalbibliothek

Catherine of Austria, Queen consort of Poland & Grand Duchess consort of Lithuania, was born on 15 September, 1533. Titian’s portrait (1548-1549): Voigtsberg Castle

William Robinson Colbeck, Royal Naval Reserve, was granted the rank of Honorary Captain on 15 September, 1950. ⚓️ Image: The Daily Mail (Hull), 6 August, 1929.

Charles I left Nottingham on Thursday, 15 September, 1642, and moved to Derby. Image: Royal Collection Trust

15 SEPTEMBER Feast day of Catherine of Genoa (Caterina Fieschi Adorno) She died in Genoa on 15 September, 1510. Image: Staatlichen Kunstsammlungen Dresden

Adam Loftus, Viscount Lisburne, Baron of Rathfarnham, died on 15 September, 1691, at the Siege of #Limerick. A cannonball that apparently killed him hangs above his burial in St Patrick’s Cathedral, Dublin. Limerick map: Royal Collection Trust

Richard Boyle, 1st Earl of Cork, died on 15 September, 1643. Was he the Great Earl of Cork or the ‘upstart earl’? Tomb image: Cork County Council Library & Arts Service, Local Studies Digital Library

15 SEPTEMBER Feast of Our Lady of Sorrows #MaterDolorosa Image: Wallerant Vaillant, after Guido Reni, 1658-77, Rijksmuseum

Giovanni Battista Rinuccini was born in Rome on 15 September, 1592. Although he failed to achieve his political goals as Papal Nuncio to the Catholic Confederacy of Ireland, he was a significant player of the 1640s. Image: apparently National Gallery of Ireland via Wikimedia Commons

15 SEPTEMBER UN International Day of Democracy un.org/en/observances…

Engineer Commander Reginald William Skelton, RN, was appointed a Companion of the Distinguished Service Order on 15 September, 1916. 🎖️⚓️ Skelton was Chief Engineer and photographer of Scott’s Antarctic expedition of 1901-1904. 🇦🇶📷 Image: Scott Polar Research Institute

An Admiralty notice of 11 March, 1904, stated that Acting Sub-Lieut. Harry Lewin Lee Pennell was confirmed in that rank. It was to be dated from 15 Sept., 1902. ⚓️ Pennell later was in command of RYS Terra Nova during Captain. Scott's expedition. 🇦🇶 ALT