1967
  
January 8 - A joint session of the Party's Central Committee confirmed the positions adopted by Monje and withdrew their support of the guerrillas.
January 10 - The Plenum of the Central Committee of the PCB is informed, through Monje, about the guerrillas' preparations and decides to send a letter to Fidel Castro.
January 22 - Ché writes the "Instructions for the urban cadres" which he will later hand over to Loyola Guzmán.
January 26 - Interview between Ché and Moisés Guevara.
February 1st - The main body of the guerrillas leaves on a scouting trip towards Río Grande. This mission, planned for 15 days, takes six weeks in the midst of great hardships and with the loss of two men by drowning.
Early February - Moisés Guevara joins the guerrillas with 8 men (out of the promised 20).
February the 1st, 1967, is the date for departure of the first guerrilla expedition made up of 27 men, 15 Cubans and 12 Bolivians .
February 5 - The Bolivian Communist Youth (JCB) expels Aniceto Reinaga, Antonio Jiménez and Loyola Guzmán from their Secretariat; however, it is decided to deal with the situation in political terms by keeping them in their National Committee.
"By February the men had consumed all their food supplies. Not a sound had been heard from their comptroller, who lived in La Paz. Shortly afterward Guevara would find out that this comptroller, who had been picked for his great trustworthiness, had simply double-crossed them, skipping out at the worst moment with a quarter of a million dollars which he had received to buy supplies and ship them to Ñancahuazú." p. 200
March 6 - The vanguard, led by Marcos (Cuban commander Antonio Sánchez Díaz), makes contact with the civil guide Epifanio Vargas, who follows their trail and reports them at the Fourth Division in Camiri.
March 6 - Tania arrives in "the zinc-roofed house" [the "casa de calamina"] with Regis Debray and Ciro Roberto Bustos (Argentinean). Suspecting that their presence has been denounced, they keep moving towards the central camp.
"The army has already been warned that persons in military uniform, most of them bearded, are prowling in the region north of Camiri." p.201
On March 6, the unforeseen contact with a civilian, Epifanio Guzmán, was decisive for the guerrillas to be surprised in full preparation. Guzmán reported the presence of the column before the Fourth Division in Camirí and the persecution started.
March 10 - A military detail takes possession of the "casa de calamina", the first guerrilla base, a few kilometers from the central encampment.
March 11 - Pastor Barrera and Vicente Rocabado desert from Moisés Guevara's group; they give themselves up and start acting as informers.
Five days later, two guerrilla fighters deserted, one of whom was an infiltrator for the information services.
March 14 - Two possibly foreign extremist agents are calling for subversion in the Ticucha area, by making contact with peasant organizations and syndicalist leaders. They may be moving over your jurisdiction. They are identifiable by their long beards, and they are armed with automatic "22" rifles as well as the new Army guns; they carry rain gear, big and heavy packs, and identification cards for the zone, and they spend a considerable amount of money. Coordination has been reestablished with the Police, and the "UU.DD" has been alerted.
March 15 - Orders are given to take extreme security measures against subversive acts. It is known that 8 men, possibly with radio equipment, are operating in the areas of Campo Grande -Tatarenda -Ipita -Lagunillas. They have long beards and plenty of money.
March 15 -19:50 Hrs. - Two well equipped, foreign Communist guerrilla fighters have been captured. Tatarenda, Santa Cruz area. The prisoners declared that there are still 17 others in the jurisdiction of the 4th Division. There are likewise other reports of foreign guerrilla fighters possibly in concomitance with opposition forces to create guerrilla bases in the jurisdictions of Divisions 3, 4 and 8, based at the spur of the mountain ranges.
Fuentes