Both of the two German electro-mechanical rotor machines whose signals were decrypted at Bletchley Park, Enigma and the Lorenz Cipher ', were virtually unbreakable if properly used.

Both the first method for cladistic analysis and the school of taxonomy originated in the work of the German entomologist Willi Hennig, who referred to it as " phylogenetic systematics " ( also the title of his 1966 book ); the use of the terms cladistics and clade was popularized by other researchers.

Both Catalina and Sunderland aircraft were flown during the course of World War II in search of Japanese and German submarines and surface raiders.

Both the Russian and German empires had political, economic and military interests in the Finnish region.

Both of these opposed Swedish support for the Whites, because they had co-operated with the German Empire and fought against the Finnish Social Democrats.

Both the Pope and the German princes had surfaced as major players in the political system of the Empire.

Both " markka " and " penni " are similar to words used in Germany for that country's former currency, based on the same roots as the German Mark and pfennig.

Both Matilda's mother and husband died in 1076, leaving her in sole control of her great Italian patrimony as well as lands in Lorraine, while at the same time matters in the conflict between Pope Gregory VII and the German king Henry IV were at a crisis point.

Both politicians will co-chair the Left's caucus in the German Bundestag after the election.

Both soaps are still aired today, along with other foreign soaps such as " Days Of Our Lives ", Australian " Home And Away " and German soap opera " Sturm Der Liebe ".

Both terms derive from the older forestry term " sustained yield ", which in turn is a translation of the German term " nachhaltiger Ertrag " dating from 1713.

Both the first and the final proposition have acquired something of a proverbial quality in German, employed as aphorisms independently of discussion of Wittgenstein.

He urged the Council of Trent to approve Communion under both kinds | Communion in Both kinds for German and Bohemian Catholics.

Both parents were of German descent.

Both the Czech name Vltava and the German name Moldau are believed to originate from the old Germanic words * wilt ahwa (" wild water ") ( cf.

Both Schleswig and Holstein were therefore administered from Copenhagen, even after the Empire's dissolution, when the Danish kings as dukes of Holstein became monarchs of the German Confederation in 1815.

Both the SD and the Gestapo were departments under Heydrich's control who answered to Himmler as both Chief of the German Police and Reichsfuhrer-SS, but the Kripo kept a level of independence as its structure was longer-established.

Both disease names are derived from the German city Marburg, where MARV was first discovered.

Both books contained an alphabetical list of the names of each Baltic German adult that was resettled together with their birthdate, birthplace and last address in the Baltics.

Both of these flags became obsolete with Austria-Hungary's dissolution in 1918, and the newly formed rump state of German Austria adopted the red-white-red triband as its national flag.

Both the castle and the town ( named Marienburg in German and in Polish as Malborg or Malbork ) were named for their patron saint, the Virgin Mary.

Both were restored by a Polish – German cooperation, and recognized by UNESCO in 2001.

Both governments pressured Afghanistan for the expulsion of a large German non-diplomatic contingent, which they believed to be engaging in espionage.

Both battalions ' advances were blunted against the well-defended German positions and by early afternoon they had not advanced any further than their original positions.

Both UFO 1 and its follow-up UFO 2: Flying, were successful in Japan ( especially the single " C ' mon Everybody " which became a huge hit there ) and Germany ( the song " Boogie For George ," also from the first album, reached No. 30 in German singles charts as well as " Prince Kajuku " from Flying reached No. 26 ), but generated poor interest in Britain and America.

Both sides raised armies as the Union seized control of the border states early in the war and established a naval blockade.

< imagemap > File: 1970s decade montage. png | From left, clockwise: US President Richard Nixon doing the V for Victory sign after his resignation from office after the Watergate scandal in 1974 ; Refugees aboard a US naval boat after the Fall of Saigon, leading to the end of the Vietnam War in 1975 ; The 1973 oil crisis puts the nation of America in gridlock ; Both the leaders of Israel and Egypt shake hands after the signing of the Camp David Accords in 1978 ; The 1970 Bhola cyclone kills an estimated 500, 000 people in the densely populated Ganges Delta region of East Pakistan in November 1970 ; The Iranian Revolution of 1979 transformed Iran from an autocratic pro-western monarchy to a theocratic Islamist government under the leadership of Ayatollah Ruhollah Khomeini ; The popularity of the disco music genre peaked during the middle to late 1970s .| 420px | thumb

Both nuclear weapons production and naval reactors require fuel containing concentrated U-235.

Both the Russian and French governments had to contend with the basic strategic fact that providing naval assistance to the Greeks was not practicable without British consent, because of Britain's naval supremacy in the Mediterranean.

Both countries undertook ambitious naval expansion in the 1890s.

Both the museum of photography and the navy museum are located close to the naval base.

Both Dobbie and Percival made it clear that Singapore could no longer be seen as a self-contained naval base, and that its survival rested on the defence of mainland Malaya.

Both sides had to deal with resource supply and personnel issues over the course of the siege, and engaged in naval operations in the contest for resources.

Both the Allied and Japanese naval forces continued to head toward each other on 22 August.

Both sides attempted to break the stalemate and Kozakuran troops led by Honda no Motosune launched a naval strike against the Waan ships and for days battles raged on the decks of 300 ships.

Both designs allowed naval engineers to dramatically reduce the number of guns present in the battery, by giving a handful of guns the ability to concentrate on either side of the ship.

Both sides built walls and counter-walls, and the Athenians succeeded in cutting off Potidaea from the sea with a naval blockade.

Both governments embarked on a naval armaments race, with Greece purchasing the obsolete battleships Limnos and Kilkis and the light cruiser Elli as well as ordering two dreadnoughts, the Vasilefs Konstantinos and the Salamis and a number of destroyers.

Both bases were attacked by the United States Navy and Air Force in 1945, including a naval bombardment on the night of 24 / 25 July.

Both aircraft were eventually scuttled by naval gunfire.

Both defender and attacker had acknowledged that the fort could not defeated by naval forces alone and made preparations accordingly, Russian forces destroyed the surrounding countryside in an effort to force British and French forces break away from the assumed siege.

Both men were from coastal provinces and had good knowledge of naval warfare.

Both France and Britain sent troops and naval squadrons from Europe to assist in the war effort, which widened later in 1780 when Britain declared war on the Dutch Republic.

Both sail and steam ships traveled to Dog Island to exploit its resources of lumber and naval stores such as turpentine and pitch products.

Both the guns and the torpedo battery worked flawlessly when Oscarsborg encountered one of the German invasion flotillas ; they sank the heavy cruiser Blücher and threw back the German naval force heading for Oslo, thus managing to save the Norwegian King and government from being taken prisoner.

Both sides fought with firearms, a rather new development in Japanese warfare ; but Mōri's experience and knowledge of naval tactics was ultimately the deciding factor.

Both sides utilized ambushes in naval battles for a while, attempting to lure enemy ships or canoes into a trap or separate them from the group.

Both as a naval base and military base Dun Beal Gallimhe offered several advantages.