NEWARK DAILY ADVERTISER, New Jersey, March 5 and April 5, 1841  A nice pair of issues of the same title with the inauguration of President William Henry Harrison, and his death report one month later.
March 5: taking most of page 2 is the: "Inaugural Address" of President William Henry Harrison, a very lengthy document. He was just inaugurated the day prior. 
April 5: all columns on all 4 pages have wide, black mourning rules for the death of President Harrison. Page 2 begins with: "Great National Calamity", the report beginning: "Our worst fears are realized, and an afflicted nation is called to mourn in deep sorrow and humiliation..." with much more.
President  Harrison died on April 4, just 31 days into his term. He was the first U.S. president to die in office, which sparked a constitutional crisis regarding presidential succession that was ultimately resolved when Vice President John Tyler took the oath of office. Historical accounts of his death often trace the cause back to a cold he caught during his inauguration on March 4, when he delivered an almost two-hour speech without a hat or overcoat in freezing, wet weather.
Both issues are in very nice condition.