* July 25 – WWII – Operation Spring: One of the bloodiest days for Canadians during the war results in 1, 550 casualties, including 450 killed.

One of the bloodiest regime change in Europe was due to the coup d ' état of Generalissimo Francisco Franco in Spain in 1936, itself a reaction to the abolition of the kingdom and the establishment of a republican regime in 1931.

One of the bloodiest battles in Zhuang history was that at Big Rattan Gorge against the Yao in 1465, where 20, 000 deaths were reported.

* One of the bloodiest civil wars of the Brazilian history is re-visited by Archaeology.

* 1921 – Irish War of Independence: One of the biggest engagements of the war takes place at Crossbarry, County Cork.

One of the group's first professional engagements was singing background for singer Mike Hanks.

One of her last official engagements was to represent the Queen at the funeral of Queen Louise ( queen consort of Sweden ) in early March 1965.

One of their most notable engagements was the " Battle of Edson's Ridge ", where the 1st Raiders, remnants of the 1st Parachute Battalion, and the 2nd Battalion 5th Marines scored a major defensive victory over Imperial Japanese Army forces on the night of September 13 – 14.

One of the most famous engagements he was involved in took place on 4 May 1943.

One of the major engagements in this endeavor was fought at Lexington, where Price defeated Colonel James A. Mulligan's Union force in the " battle of the hemp bales " and secured the city for the South — albeit only temporarily, as it turned out.

One stone, known as the " Odin Stone " was pierced with a circular hole, and was used by local couples for plighting engagements by holding hands through the gap.

One of the first major engagements of the war was the Battle of Praia Bay, fought on 28 August 1828, off the coast of Terceira, between Portuguese loyalists and a Miguelite fleet trying to crush Maria da Gloria's insurrection in its infancy.

One of the most notable engagements fought by 4th PLDG took place at Miglionico.

One of the last supper club performers, she performed regular engagements in London and New York City over many years.

One of the first engagements of the 1798 rebellion, a force of over 1, 000 rebels, led by Michael Reynolds attacked Naas, the strongest Crown garrison in County Kildare, following the successful mobilisation of United Irishmen, Defenders and rebels throughout county Kildare on the night of 23 May.

One of those arrested, M. de Cillart, commander of Sévère, had started to strike his colours during one of the post-squall engagements, but his subordinates prevented the act.

One of his earliest engagements was on 16 March 1756 in a concert of Handel ’ s Alexander ’ s Feast at the Great Room, Dean Street, where he was described as ‘ Mr Batichel ’.

One of her first theatrical engagements was in a play Collapse of a Stout Party, written by Trevor Peacock.

One of our foremost jurists, David Dudley Field, has gone so far as to call this provision `` the greatest achievement ever made in the course of human history ''.

One of the finest soft shoe tunes ever invented, `` Once In Love With Amy '' is also, of course, one of the most tantalizingly persistent of light love lyrics to come out of American musical comedy in our era.

`` One of the best matches I've ever found.

One modern scholar has written " It is almost certain not only that at no time in his life did he ever see, let alone command, a Roman army, but that, throughout the twenty-three years of his reign, he never went within five hundred miles of a legion ".

* In the Judge Dredd comic stories, originally published in 2000 AD, the megalopolis of Mega-City One consists of many hundreds, if not thousands, of City Blocks, in which a citizen can be born, grow, live, and die without ever leaving.

One interesting aspect of the Ackermann function is that the only arithmetic operations it ever uses are addition and subtraction of 1.

" One of the few strips ever taken seriously by students of American culture ," wrote Professor Berger, " Li ' l Abner is worth studying ... because of Capp's imagination and artistry, and because of the strip's very obvious social relevance.

One of the most unusual buses ever built was a prop for Paramount Productions in 1935 for a movie set.

Muttiah Muralitharan, rated as the greatest Test match bowler ever by Wisden Cricketers ' Almanack, and the highest wicket-taker in both Test cricket and in One Day Internationals ( ODIs ), has hailed Lara as his toughest opponent among all batsmen in the world.

* One of only six Pittsburgh Pirates to ever be featured on the cover of Sports Illustrated.

One of the most durable charters ever devised in Latin America, the Portalian constitution lasted until 1925.

Charlton then lifted the League One trophy on 5 May 2012, having been in the top position since 15 September 2011, and after recording a 3 – 2 victory over Hartlepool United, recorded their highest ever league points score of 101, the highest in any professional European league that year.

One of the club's first ever kits was half red, half white shirts with white shorts worn in the 1886 – 7 season.

* 1776 23 February – One of the heaviest storms ever recorded in Gibraltar.

One of the two submarines was lost at sea, and neither of the ultimately unsuccessful class was ever believed to have deployed away from home waters.

One of the most famous and complete hominid skeletons ever discovered was the 1. 6 million year old Homo erectus known as the Turkana Boy which was found by Kamoya Kimeu in 1984 on an excavation led by Richard Leakey.

One police officer present that day described the first bomb as one of " the most dangerous pipe bombs he had ever seen " and went on to say:

According to the official Formula One website he is " statistically the greatest driver the sport has ever seen ".

In 2009, a poll of 217 Formula One drivers conducted by the British magazine Autosport named Schumacher as " the second-greatest Formula One driver who ever lived ", just behind Ayrton Senna, and the most complete driver, just ahead of Senna.

One of the oldest written fragments of the language ever found dates back to the year 960, in an official text that was mixed with Latin:

One of the largest collections of DECsystem-10 architecture systems ever assembled was at CompuServe, which at its peak operated over 200 loosely-coupled systems in three data centers in Columbus, Ohio.

One of the youngest popes, he was the only man to have been Pope on more than one occasion and the only man ever to have sold the papacy.

One of the largest and most difficult engineering projects ever undertaken, the Panama Canal shortcut made it possible for ships to travel between the Atlantic and Pacific Oceans in half the time previously required.

However, the new system again appeared to have failed, as although Barak's One Israel party ( an alliance of Labour, Gesher and Meimad ) won more votes than any other party in the Knesset election, they garnered only 26 seats, the lowest ever by a winning party, meaning that a coalition with six smaller parties was once again necessary.