Wikipedia page about this book: https://en.wikipedia.org/wiki/Noli_Me_T%C3%A1ngere_(novel)

Release date is 2006-12-30

Produced by Tamiko I. Camacho, Pilar Somoza, and the Online
Distributed Proofreading Team (http://www.pgdp.net). Thanks
to the following for their help in making this project
possible: Elmer Nocheseda, Jerome Espinosa Baladad, Matet
Villanueva, Ateneo Rizal Library-Filipiniana Section, and
the Filipinas Heritage Library. The ebook is being released
in commemoration of Dr. José Rizal's 110th Death Anniversary
on December 30, 2006. Handog ng Proyektong Gutenberg ng
Pilipinas para sa pagpapahalaga ng panitikang
Pilipino.(http://www.gutenberg.ph)

"Noli Me Tangere" by José Rizal is a novel published in 1887 during the Spanish colonial period of the Philippines. The story follows Crisóstomo Ibarra, a young man returning home after seven years studying in Europe, only to discover his father's mysterious death and desecrated grave. As he attempts to build a school and improve his town, he faces hostility from Spanish friars and uncovers dangerous conspiracies. Through Ibarra's struggles, Rizal exposes the inequities and injustices of colonial rule and Catholic Church power in Philippine society. (This is an automatically generated summary.)

Original publication data not identified