26 June 1886 From Heidelberg Rizal sent to Reverend Ullmer the note of 100 pesetas. He wanted to comply with the promise of paying a latter the amount he incurred while he was in Wilhemsfeld.
14 July 1886 In Hiedelberg Rizal was admitted member of the chess Club Germany. The Club Presidents F. Zeferenz and E.Arrnirum.
31 July 1886 He sent to Prof. Ferdinant Blumentritt a book in arithmetic written in Spanish in Tagalog. This started the communication between the two and also the start of their life long friendship.
6 July 1886 Rizal wrote few expressive lines dedicated to this beautiful city Heidelberg. He was to start his travel thru the cities along Rhine River.
- On this day he witnessed the fifth centenary celebration of the founding of the University of Heidelberg, which he enjoyed very much.