By spring 1941, following Himmler's orders, ten concentration camps had been constructed in which inmates were subjected to forced labour.

By the end of 1941, the Soviet military had suffered 4. 3 million casualties and German forces had advanced 1, 050 miles ( 1, 690 kilometers ).

By December 1941, Hitler's troops had advanced to within 20 miles of the Kremlin in Moscow.

By the end of 1943, the Soviets occupied half of the territory taken by the Germans from 1941 – 1942.

By 1941, Germany had given up hope of evicting the Allies from the island and the constant air raids stopped.

By 1857 he had accumulated over 800 pages of notes and short essays on capital, landed property, wage labour, the state, and foreign trade and the world market ; this work did not appear in print until 1941, under the title Grundrisse.

By September 1941, Philby was working for Section V of MI6, responsible for offensive counter-intelligence.

By early 1941, Fuchs had returned temporarily to Edinburgh.

By the winter of 1941 – 1942 just 39 percent of the fighter force was operational and possessed just 60 more combat aircraft than it did in June 1941 despite its increased commitments.

By early 1941, portable centimetric airborne radars were being tested in American and British aircraft.

By the third week in February 1941, 680, 000 German troops were stationed on the Romanian-Soviet border.

By 1941, the official newspaper, El País, had adopted an overtly pro-German stance.

By 22 June 1941 there were only 1, 475 T-34s and KV series tanks available to the Red Army, and these were too dispersed along the front to provide enough mass for even local success.

By 1918 it became part of the newly formed Kingdom of Serbs, Croats, and Slovenes, and remained so until 1941, apart from a brief period of six months in 1920 when Skopje was controlled by the Yugoslav Communist Party.

By the end of 1941, Roosevelt had appointed seven justices and elevated Harlan Fiske Stone to Chief Justice.

By late 1941, the Army Research Center at Peenemünde possessed the technologies essential to the success of the A-4.

By November 1941, it was becoming known in the upper reaches of the Nazi leadership and government offices that Hitler intended all the Jews of Europe to be deported to the eastern territories and executed by whatever means.

* Robert A. Heinlein's By His Bootstraps ( 1941 ) features a plot in which a man interacts with different older versions of himself that travel by way of a " Time Gate ", with all the interactions revisited later in the story from the perspective of the now-older man, everything being tied together in a completely self-consistent way.

By the end of 1941, Germany occupied a large part of Europe and its military forces were fighting the Soviet Union, nearly capturing Moscow.

By 1941 the Italians had suffered defeats in Greece and against the British in Egypt.

By 1941 he was earning a good wage, enough to pay for music lessons with Alberto Ginastera, an eminent Argentine composer of classical music.

By 1941, the SD had been organized into the following sections:

By 1941, a rail tunnel was constructed as well.

By December, 1958, when ' Abdallah Ibrahim became President of the Council, elections had even greater importance.

By 1975, after a failed uprising by the Muslim Youth, President Daoud Khan started to dissociate himself from the Soviet Union and the communist party of Afghanistan.

By 1967, when a military junta had seized power in Greece, the political impetus for enosis had faded, partly as a result of the non-aligned foreign policy of Cypriot President Makarios.

By 1939 Nissan's operations had moved to Manchuria, then under Japanese occupation, where its founder and President, Yoshisuke Ayukawa, established the Manchurian Motor Company to manufacture military trucks.

By November the Deputy General Minister and President, William Howland, suggested that the committee's staff consultant and chairperson agree on a specific proposal and bring it back to the committee: that meant Robert L. Friedly of the Office of Interpretation and Ronald E. Osborn.

By that time, there was great concern that the national deficit had risen dangerously and President Ronald Reagan had declared that a vast amount of government spending was being misused through waste and fraud.

By 1798, relations with France had deteriorated to the point that war seemed imminent, and on July 4, 1798, President Adams offered Washington a commission as lieutenant general and Commander-in-chief of the armies raised or to be raised for service in a prospective war.

By 1989 President Callejas's broad economic goal became to return Honduran economic growth to 1960-80 levels.

By 1991 President Callejas had achieved modest success in controlling inflation.

By 1989 and the election of President Callejas, however, a heavy toll had been taken by regionwide economic recession, civil war in neighboring countries, the drying up of most external credit, and capital flight equaling more than US $ 1. 5 billion.

By 1932, power had shifted to such an extent that the German President, Paul von Hindenburg, was able to dismiss a chancellor and select his own person for the job, even though the outgoing chancellor possessed the confidence of the Reichstag while the new chancellor did not.

By Spring 1810, President Madison was specifically asking Congress for more appropriations to increase the Army and Navy in preparation for war with Britain.

By June 2003, the lower house of Parliament announced that President Akayev and two other " puppet " leaders of Kyrgyzstan, from the Soviet era, would be given lifetime immunity from prosecution, raising the prospect of Akayev finally stepping down.

By decree of the President of the Italian Republic of 2 June 2010, Kabir Bedi was officially knighted.

By a law that took effect in April 1990, the EPS became subordinate to President Chamorro as commander in chief.

By Executive Order of the President of the United States, the Purple Heart was revived on the 200th Anniversary of George Washington's birth, out of respect to his memory and military achievements, by War Department General Orders No. 3, dated February 22, 1932.

By 1998, simultaneous with Montenegrin Prime Minister Milo Đukanović coming out on top in the power struggle with Montenegrin President Momir Bulatović, the republic undertook a different economic policy by adopting the Deutsche Mark as its currency.

By the end of August a Solidarity-led coalition government was formed and in December 1990 Wałęsa was elected President of Poland.

By a law signed on March 3, 1931 by President Herbert Hoover, " The Star-Spangled Banner " was adopted as the national anthem of the United States.

By the time of their inauguration, the President and Vice President must be:

By law, however, Congress may allow the President, heads of executive departments, or the courts to appoint inferior officials.

At his inauguration George Washington declared in his Inaugural Address: " By the article establishing the executive department it is made the duty of the President " to recommend to your consideration such measures as he shall judge necessary and expedient.

By becoming President under current terms, Grant would at best leave the office at age 56 with no income, assuming he served two terms.