Pekka Hannikainen died in 1924.
Pekka Hannikainen was born in 1854.
Tauno Hannikainen died in 1968.
Mary Hannikainen died on February 8, 1974.
Ilmari Hannikainen died on July 25, 1955, in Kuhmoinen, Finland.
Pietari Hannikainen died on September 27, 1899, in Parikkala, Finland.
Ilmari Hannikainen's birth name is Toivo Ilmari Hannikainen.
Mary Hannikainen was born in 1901.
Tauno Hannikainen was born in 1896.
Pekka Ervast died in 1934.
Pekka Vanninen died in 1970.
Pekka Myrberg died in 1976.
Pekka Aakula died in 1928.