Al-Muhtadi
Muslim caliph and political leader

Born
None
None years ago
Died
June 21st, 870
1154 years ago — None years old
Category
Leaders & Politicians
Country
Iraq
Links & References
Ascended to the caliphate in 869, Al-Muhtadi managed a period of political and military challenges within the Abbasid Empire. His reign lasted until 870 when he died under uncertain circumstances. His leadership was marked by efforts to stabilize the caliphate amidst internal strife and external threats. Al-Muhtadi's rule also involved military campaigns against the Byzantine Empire and managing the complexities of various provincial leaders' allegiances.
Ascended to the Abbasid caliphate in 869
Undertook military campaigns against the Byzantines
Other People Who Died on June 21st
Charles Dillon Perrine
An American-Argentinian astronomer contributed significantly to astrophysics and photography of celestial phenomena. Notable for works at the Argentine National Observatory, substantial research was conducted on the distribution of stars, galaxies, and nebulas. Played a key role in the study of multiple stars and contributed to the understanding of the universe's structure. Involved in collaborations that advanced astronomical knowledge significantly during the early 20th century.
Continue ReadingJames P. Gordon
Born in 1928, this American physicist and engineer contributed significantly to the field of laser technology. He received a Bachelor of Science in Electrical Engineering from the City College of New York and went on to earn a Ph.D. from the Massachusetts Institute of Technology. His research in laser dynamics led to the development of important laser systems. He served as a professor at the University of Maryland, advancing education in applied physics and electrical engineering while mentoring numerous students throughout his career. His work laid the groundwork for various laser applications across different industries, further establishing the relevance of lasers in modern technology.
Continue ReadingAbid Hussain
An Indian economist and diplomat served as Indian Ambassador to the United States from 1998 to 2001. Earlier in his career, held positions such as Secretary in the Ministry of Commerce and Director General of the Indian Council for Research on International Economic Relations. Contributed significantly to economic policy discussions and institutional development in India. Advocated for economic reforms and engaged in various discussions on trade and investment.
Continue ReadingJohannes Stark
Born in Germany in 1874, a physicist focused on the study of atomic structure and phenomena such as the Stark effect, where spectral lines are split into multiple components in the presence of an electric field. This phenomenon provided significant insights into atomic theory. Stark conducted extensive research in the field of spectroscopy and made substantial contributions to the understanding of molecular structure. In 1919, awarded the Nobel Prize in Physics for these contributions.
Continue ReadingRodulf
Served as an archbishop during the Frankish Empire. Played a significant role in the religious and political landscape of the time. Contributed to the spread of Christianity and church governance. Engaged in church-based diplomacy and administration, influencing both ecclesiastical and secular matters.
Continue ReadingGunther Schuller
A prominent horn player, composer, and conductor, focused on the development of American classical music. Collaborated with acclaimed artists and ensembles, contributing to both jazz and classical genres. Served as the music director of the Cincinnati Symphony Orchestra and the Boston University Tanglewood Institute. Notable for the creation of operas and orchestral works that integrate diverse musical influences.
Continue Reading