| 1836 | (early) | Tregardt prepares to trek north |
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| February | Potgieter party crosses Orange river |
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| March | Tredgardt crosses Vaal river |
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| May | Potgieter reaches Sand river and leaves to make contact with Tregardt |
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| May (end) | Tregardt reaches Zoutpansberg |
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| June | Potgieter joins Tregardt at Zoutpansberg |
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| June 27 | Potgieter reconnoitres over Limpopo river |
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| July 15(circa) | Van Rensburg massacre |
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| July (end) | Potgieter returns to Tregardt's camp; Tregardt leaves to search for the Van Rensburg party |
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| August | Tredgardt crosses Vaal river; Maritz trek leaves for the north from Graaff Reinet; Potgieter leaves Zoutpansberg |
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| August 25 | Matabele attack trekker parties which have crossed Vaal river |
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| September 2 | Potgieter rejoins his party at Sand river |
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| October 16 | Battle of Vegkop |
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| November (early) | Maritz reaches Blesberg |
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| December 2 | Maritz and Potgieter draw up a constitution for trekkers
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| 1837 | January 17 | attack on Mosega |
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| February | Retief's manifesto is published |
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| March | Tregardt sends first message to Lourenço Marques; Potgieter moves to Winburg area |
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| April 10 | Tregardt sends off second message to Lourenço Marques |
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| April 17 | Retief elected Governor; Uys moves north from Uitenhage |
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| May | Tregardt sends third message to Lourenço Marques
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| June | Meeting approves constitution of Maatschappij; Uys arrives at United Laagers |
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| June(end) | Smit installed as Trekkers' Predikant |
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| August 7 | Buys arrived at Tregardt's camp on Doorn river to conduct his party to Lourenço Marques |
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| August 23 | Tregardt sets off for Lourenço Marques |
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| September 9 | Retief announces that passes over Berg have been found |
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| September 13 | Trekkers hold meeting at Sand river and split into two groups; one under Retief heading for Berg, while Potgieter and Maritz ride north and organise a second punitive expedition against Matabele |
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| October 2 | Retief camps at site of Bethlehem |
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| October 7 | Retief gets first view of Natal; Rev. Francis Owen arrives at Umgungundhlovu |
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| October 10 | Retief arrives Port Natal |
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| October 19 | Greyling camps at Kerkenberg |
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| November 4-12 | Running fight against Matabele at Kapain |
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| November 7 | Retief arrives at Umgungundhlovu |
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| November 11 | Retief's messengers arrive at Kerkenberg |
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| November 13 | Trekkers begin the descent of the Berg |
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| November 27 | Retief rejoins his followers |
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| November 30 | Tregardt arrives at summit of Berg |
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| December 23 | Tregardt completes descent of Berg |
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| December 28 | Retief sets off for Sekonyela's country |
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| 1838 | January | Sir George Napier succeeds Sir Benjamin D'Urban as Governor of the Cape |
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| January 25 | Retief sets off on his second visit to Umgungundhlovu |
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| February 3 | Retief arrives at Umgungundhlovu |
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| February 6 | Retief's party massacred on Kwa Matiwane |
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| February 16/17 | Bloukrans massacre |
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| February 22 | Tregardt reaches point west of Acornhoek and approaches low veld |
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| March 13 | Tregardt crosses Lebombo range |
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| April 11 | Vlug Commando ambushed at Italeni |
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| April 13 | Tregardt arrives Lourenço Marques |
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| April 17 | `Grand Army of Natal' destroyed at Ndondakusuka |
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| April 20 | Peffer dies |
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| May 1 | Mrs Tregardt dies |
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| May 16 | Landman annexes Port Natal
By this time Potgieter was two days west of the Berg |
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| June (middle) | Potgieter acquires land between Vaal and Vet |
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| August 10 | Tregardt closes his diary |
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| August 13 | successful Boer defence of Veglaer |
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| September 23 | Maritz dies in Sooilaer |
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| October 25 | Tregardt dies at Lourenço Marques |
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| November | Potgieter settles at Potchefstroom |
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| November 22 | Pretorius reaches Sooilaer with reinforcements |
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| November 28 | Wen Commando moves out of Sooilaer |
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| December 4 | British troops land at Port Natal |
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| December 9 | Oath of the Covenant |
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| December 16 | Battle of Blood river |
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| December 16 | Union Jack raised at Port Natal |
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| December 27 | Battle of the White Umfolozi |
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| December 31 | Pretorius burns the kraals round Umgungundhlovu prior to his departure |
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