During the impeachment trial, Representative Benjamin Butler launched an investigation into suspicious and complex activities surrounding certain Senators, whose votes would either convict or acquit President Johnson.

During the Cold War, the ČSLA was equipped primarily with Soviet arms, although certain arms like the OT-64 SKOT armored personnel carrier, the L-29 Delfín and L-39 Albatros aircraft, the P-27 Pancéřovka antitank rocket launcher, the Sa vz.

During the 11th Party Congress Alexander Shliapnikov, the leader of the Workers ' Opposition, claimed that certain individuals from the Central Committee had threatened him.

During the Middle Ages, there were various systems involving elections or assemblies, although often only involving a small amount of the population, the election of Gopala in Bengal region of Indian Subcontinent, the Polish-Lithuanian Commonwealth ( 10 % of population ), the Althing in Iceland, the Løgting in the Faeroe Islands, certain medieval Italian city-states such as Venice, the tuatha system in early medieval Ireland, the Veche in Novgorod and Pskov Republics of medieval Russia, Scandinavian Things, The States in Tirol and Switzerland and the autonomous merchant city of Sakai in the 16th century in Japan.

During this first period, transportation was rather primitive ; it consisted of row boats, walking, and, in certain places, horse transport ( for the upper class ).

During the 1970s, many fanzines ( Squa Tront, as example ) also became partly distributed through certain comic book distributors.

During a trial period the County Council provisions for Gotland has been evolved to provisions for a Regional Council, meaning that it has assumed certain tasks from the County Administrative Board.

During the 20th century, certain Irish intellectuals made their homes in continental Europe, particularly James Joyce, and later Samuel Beckett ( who became a courier for the French Resistance ).

During the religious peace which followed the persecution of Marcus Aurelius, the new bishop divided his activities between the duties of a pastor and of a missionary ( as to which we have but brief data, late and not very certain ).

During Nehru's second term as general secretary of the Congress, he proposed certain resolutions concerning the foreign policy of India.

During that period Marx concentrated on his criticism of Hegel and certain other Young Hegelians.

During the Ostsiedlung, a settlement was founded by German settlers some kilometers off the site of the Slavic one, the official city website mentions that it was located within the boundary of today's downtown of Kołobrzeg and that certain part of inhabitants of the Polish town moved to the new settlement.

Yet again, today it is almost certain that this legend was used as a metaphor, in allusion to the old Slavic pagan ceremony known as the " postrzyżyny ": During that ceremony hair cutting was performed to every boy at the age of seven.

During the First Republic, increasing radicalization of politics led to certain militias associating with certain political parties.

During the earliest parts of psychoanalytic history, analysts granted that homosexuality was non-pathological in certain cases, and the ethical question of whether it ought to be changed was discussed.

During that debate Marshall threatened to expel certain senators from the chamber for their raucous behavior, but did not carry through on the threat.

* During this decade certain websites and search engines became prominent worldwide as transmitters of goods, services and information.

During improvised performances a lazzi may be used to fill time or to ensure a certain frequency of laughs in a show.

During the later Middle Ages, a new type of singing involving multiple melodic parts, called organum, became predominant for certain functions, but initially this polyphony was only sung by soloists.

During the 2002 campaign, Fortuyn was accused of being on the " extreme right ", although others saw only certain similarities.

During the first three years after the end of the war ( 1945 – 1948 ), however, literature maintained a certain degree of freedom, although the strengthening of the extreme left gradually pushed out of the public sphere first the Catholic authors ( Deml, Durych, Čep, Zahradníček ), then the moderate Communists.

During the 2002 campaign, Fortuyn was accused of being on the " extreme right ", although others saw only certain similarities.

During the British colonial rule, there are areas which are enclaves containing a large population of certain ethnic groups exist in areas such as Chinatown, Geylang and Little India in Singapore.

During a phase transition of a given medium certain properties of the medium change, often discontinuously, as a result of some external condition, such as temperature, pressure, and others.

During interphase ( the period of the cell cycle where the cell is not dividing ), two types of chromatin can be distinguished:

During World War I, the United States Navy acquired large numbers of privately owned and commercial ships and craft for use as patrol vessels, mine warfare vessels, and various types of naval auxiliary ships, some of them with identical names.

During the Ancient and Middle Ages Infantry were categorized by the types of weapons and armor they used, such as heavy, medium, and light infantry.

During the time of their use, this style of armor evolved and changed a number of times and ways, the currently recognised types being the Kalkriese, Corbridge and Newstead types, named after their places of discovery.

During this time one is expected to keep off from all types of work and engage solely in religious activities.

During the 15th century there was a division of instruments into Haut ( loud, outdoor instruments ) and Bas ( quieter, more intimate instruments ) Only two groups of instruments could play freely in both types of ensembles: the Cornett and sackbut and the Tabor and tambourine.

During the Thirty Year's War early 17th century experiments were made with early types of horse artillery.

During the US Civil War, the term " torpedo " was also used to refer to various types of bombs and boobytraps.

During organogenesis, molecular and cellular interactions between germ layers, combined with the cells ' developmental potential, or competence to respond, prompt the further differentiation of organ-specific cell types.

During Passover, unleavened bread, in the form of various types of matzo, is required due to the Biblical injunction to avoid any form of leaven during this time of year.

During the Destruction of Four Olds campaign, religious affairs of all types were discouraged by Red Guards, and practitioners persecuted.

During this time period two main types of literature were produced: Biedermeier literature, which strove to educate the readers and encourage them to be loyal to the Austro-Hungarian Empire ( e. g. Karel Jaromír Erben and Božena Němcová ), and romanticism, which emphasized the freedom of the individual and focused on subjectivity and the subconscious ( e. g. Karel Hynek Mácha.

During the last centuries of the republic the auspices ex caelo and ex tripudiis supplanted other types, as they could be easily used in a fraudulent way, i. e. bent to suit the desire of the asking person.

During World War II, various British and Commonwealth units, including the Long Range Desert Group ( LRDG ), the No. 1 Demolition Squadron or ' PPA ' ( Popski's Private Army ), and the Special Air Service ( SAS ) were noted for their exploits in the deserts of Egypt, Libya and Chad using unarmored motor vehicles, often fitted with machine guns and cannons of various types.

During research, eight sound classes with 19 sound types could be concretised.

During the Medieval period, various types of fowl were consumed as food, with the poorer populations ( such as serfs ) consuming more common birds, such as chicken.

During World War I, German troops referred to as pioneers, who were early combat engineers or sappers and stormtroopers began using two types of hand grenades in trench warfare operations against the French to clear opposing trenches of troops.

During the composition of Finnegans Wake, Joyce used signs, or so-called “ sigla ”, rather than names to designate these character amalgams or types.

During its heyday Ottertail had its own weekly newspaper, five hotels, 27 saloons, and many other types of enterprises necessary for pioneer life.

During World War I, the United States developed several types of body armor, including the chrome nickel steel Brewster Body Shield, which consisted of a breastplate and a headpiece and could withstand Lewis Gun bullets at, but was clumsy and heavy at.

During the Age of Sail, corvettes were one of many types of smaller warships.

During the 1970s and 1980s the town saw an influx of artists, writers, photographers, musicians, alternative practitioners, teachers, green and New Age activists and more recently, wealthier ' yuppie ' types.

During WW2, Brooklands Aviation became a contractor to the Civilian Repair Organisation, repairing various types of damaged aircraft, particularly Vickers Wellingtons.

During his career, he designed and oversaw the design of more than 100 types of aircraft, some of which set 78 world records.