Here are the possible solutions for statesman born 2 12 1809 whose surname can precede the starts of four long puzzle answers clue
Answer
Clue
Relevancy
abrahamlincoln
Clue
Statesman born 2/12/1809 whose surname can precede the starts of four long puzzle answers
abe
Clue
Nickname of the man (born 2/12/1809) who gave the address at 18A, issued the 28A/45A, was the first elected president of the 60A Party, and whose name can be found in this puzzle's main diagonal
miss
Clue
Title that can precede the starts of the four longest Across answers
Definition
to fail to make contact with
extra
Clue
Bonus, and a word that can precede the last words of this puzzle's four longest answers
Definition
something additional
gas
Clue
Word that can precede the last word of the four longest puzzle answers
Definition
a state of matter
eon
Clue
Long long long long long long long time
Definition
a long period of time, also AEON
blackmonday
Clue
1987 market crash, and this puzzle's title, whose first word can precede each word in the starred answers
ibelieveicanfly
Clue
R. Kelly hit whose last title word is aptly rhymed with "sky" in the lyrics ... and a hint to the starts of the other four longest puzzle answers