February 13 Saturday – Sam wrote from Cleveland to Livy. “(10AM) I have been here two hours in a splendid state of exasperation. I went to bed in the cars at half past nine, last night & slept like a log until 7 this morning, & woke up thoroughly refreshed” [MTL 3: 88].
He discovered that he’d missed a lecture date in Alliance, Ohio made by Abel Fairbanks, a date unknown to Sam. That evening Sam gave his “Vandals” lecture in Ravenna, Ohio.
Sam wrote letters from Ravenna that evening including this to Livy:

February 12 Friday – Sam left Elmira “at the last minute” that evening and slept overnight on the train back to Cleveland.

February 10 Wednesday – Elisha Bliss wrote from Hartford to Sam about the proofs for Innocents Abroad. He had none to send but was “pushing things now very rapidly however” [MTL 3: 98-9]. Sam most likely received the letter on Feb. 11 or 12.

February 5 Friday – Sam wrote from Elmira to his mother and family, informing them that he was:
“…duly & solemnly & irrevocably engaged to be married to Miss Olivia L. Langdon, aged 23 ½, only daughter of Jervis and Olivia Langdon of Elmira, New York. Amen.”
Sam told the family of his possible purchase of a part interest in the Cleveland Herald, that the marriage with Livy might take a “good while” as he was not yet “rich enough,” and of Livy setting:

February 4 Thursday – Sam arrived in Elmira. Jervis Langdon gave his approval for Sam and Livy’s engagement.

February 2 Tuesday – Sam left Cleveland for Elmira and Livy. He’d received some interest from George A. Benedict, who was ill, in the sale of part interest in the Cleveland Herald for $25,000.

February 1 Monday – Sam gave his “Vandals” lecture at Strawn’s Hall in Jacksonville, Illinois [MTPO].
Afterwards he wrote Francis Bliss a short note, saying he would be in Elmira from Feb. 3 till Feb. 11 and asking for proofs of Innocents Abroad to be sent there if ready. Proofs were not sent until early March, when Sam was in Hartford [MTP].

January 29 Friday – Sam gave his “Vandals” lecture at the Bench Street Methodist Church in Galena, Illinois. Afterwards, Sam wrote from Galena to Livy:

January 28 Thursday – Sam gave his “Vandals” lecture at Russell Hall, Waterloo, Iowa [MTPO].

January 27 Wednesday – Sam left early in the morning for Freeport, Illinois, where Sam gave his “Vandals” lecture in Fry’s Hall.