became an important voice in renewing British graphic design after World War II through his writing, teaching, and graphic design practice. As editor and designer of the journal Typographica and author of Pioneers of Modern Typography, an influential 1969 book that informed the postwar generation about the accomplishments of earlier twentieth-century designers, he encouraged a worldwide dialogue.

answer: The Hijrah is taken into account the foremost vital event in Moslem history as a result of it marks the formation of the primary community of Muslims.

Explanation: Muhammad's quality was seen as threatening by the folks in power in Mecca, and Muhammad took his followers on a journey from Mecca to Medina in 622. This journey is named the Hijrah (migration) and therefore the event was seen as thus necessary for Islam that 622 is that the year during which the Moslem calendar begins.