Dashed left edge = started before April 1841 ·
Dashed right edge = ongoing beyond April 1841
Events in April 1841 4
1773 – 1841William Henry Harrison9th President — died after 31 days in officeWilliam Henry Harrison (Feb 9, 1773 – Apr 4, 1841) was the 9th President, serving only 31 days — the shortest presidency in US history. He delivered the longest inaugural address in history (105 minutes in cold rain) and died of pneumonia shortly after.
1841Harrison presidency9th President — died in office after 31 daysWilliam Henry Harrison served only 31 days as the 9th President before dying of pneumonia on April 4, 1841 — the shortest presidency in US history. He was the first president to die in office.
1841 – 1845Tyler presidency10th President — 1841 to 1845John Tyler succeeded to the presidency on April 4, 1841 after Harrison's death, serving until March 4, 1845. He was expelled from the Whig Party and governed without party support, vetoing most of Congress's legislation.
1841Doctoral Degree from JenaPhD on Democritus and EpicurusMarx received his doctorate in philosophy in 1841 from the University of Jena, submitting his dissertation from a distance after his radical reputation made a Berlin degree unlikely. Titled "The Difference Between the Democritean and Epicurean Philosophy of Nature," the dissertation examined ancient materialist philosophy and hinted at Marx's later concern with human freedom and self-consciousness. He hoped for an academic career, but Prussian government hostility toward Young Hegelians closed that path.