He was sworn in as vice president March 4, 1841 & as president April 6, 1841
... At the inauguration of America's first Whig president, on March 4, 1841, 
a bitterly ... On April 4, President Harrison died in Washington, and Vice President 
John ... Just after 6 p.m. on April 4, 1968, Martin Luther King Jr. is fatally shot 
while... [DOC] [TLE] Presidential Inaugurations: Some Precedents and Notable Events [PAR] April 6, 1841 -- John Tyler.