Notes on Mahaabhaarat War

Mahaabhaarat war continued for 18 days.

Under Bheeshm's Leadership - 10 Days

For the first 10 days Bheeshm was its Commander-in-Chief. He was brought down by Arjun showering arrows shooting from behind Shikhandee.
On 1st day - Shalya killed Uttar (Viraat's son) and Bheeshm killed Shwet (Viraat's son)
On 2nd day - Bheem killed two kings Satya and Satyadev,
                         -  Bheem also killed Kaling - the king of Kaling Desh, and Kaling's son Ketumaan.
On 4th day - Bheem killed 8 sons of Dhritraashtra (Senaapati, Jalaasandh, Sushen, Ugra Veerbaahu,
                        Bheem, Bheemrath. Sulochan)
On 7th day - Drone killed Shankh (Viraat's son)
On 8th day - Bheem killed 8 sons of Dhritraashtra (Sunabh, Aadityaketu, Vaahvaseen, Kundadhar,
                        Mahodar, Aparaajit, Panditakaa, Vishaalaaksh)
                - Bheem again killed 8 sons of Dhritraashtra (Anadhriti, Kundbhedin, Viraat, Deerghlochan,
                        Deerghbaahu, Subaahu, Kaanyakadhyaj, Vyudorosk)
                - Alambooshaa killed Arjun's son Iraavat
> By 9th day - Dhritraashtra's 24 sons had been killed by Bheem.
On 10th Day - Shikhandee killed Bheeshm.

Under Drone's Leadership - 5 Days

For the next 5 days (11th, 12th, 13th, 14th and 15th days) Drone was its Commander-in-Chief. He was also killed by Arjun after a simple lie spoken by Yudhishthir, that "Ashwatthaamaa is killed".
On 12th day - Drone kills Satyajit (Drupad's son). 
                  - Arjun killed Bhagdatt and Shakuni's two brothers.
On 13th day - Abhimanyu killed Rukmarath (son of Shalya), Lakshman (son of Duryodhan)
                  - Abhimanyu was killed by Dushaasan's son in Chakra Vyooh. 
On 14th day - Shrutaayudh was killed by his own mistake
                 -  Arjun killed Avantee Brothers - Vindd and Anuvind
                 -  Shrutsen (Sahadev's son) killed Shall
                 -  Ghatotkach killed Alambooshaa Raakshhas
                 -  Saatyaki killed Jalaasandh
                 -  Drone killed Brihadkshatra (the eldest of 5 Kaikaya brothers), 
                 -  Drone killed Sahadev (Son of Jaraasaandh)
                 -  Arjun killed Jayadrath; 
                 -  Shishupaal's son Dhrishtketu was killed by Kshatradharm (Dhrishtdyumn's son),
                 - Bheem killed seven Kaurav brothers, 
                 - Ghatotkach killed two Raakshas (the son of Jataasur and Alaayudh), 
                 - Karn killed Ghatotkach by his Power weapon given by Indra to him in exchange of his
                        Kavach and Kundal.
On 15th day - Drone killed Drupad and Viraat, and Dhrishtdyumn kills Drone

Under Karn's Leadership - 2 Days

For the next 2 days (16th and 17th days) Karn was its Commander-in-Chief. He was killed by Arjun just because of his two Shaap, 
On 17th day - Arjun killed 10 Dhritraashtra's sons while going to kill Karn. 
                  - Saatyaki killed Karn's son Prasenjit. 
                  - Bheem killed Dushaasan to fulfill his vow.. 
                  - Yudhaamanyu killed Chitrasen. 
                  - Arjun again killed Dhritrashtra's n sons who ran after Bheem after their brother
                        Dushaasan was killed.
                  - Arjun killed Karn's son Vrishsen before killing Karn.

Under Shalya's leadership - 1 Day

For the last day (the 18th day) Shalya was appointed its Commander-in-Chief. 
On 18th day - Yudhishthir killed Shalya
                  - Nakul killed Chitrasen, Satyasen and Sushen - the sons of Karn.
                  - Bheem killed Dhritraashtra's 12 sons.
                  - Sahadev killed Ulook, and Shakuni.
                  - Bheem killed Duryodhan in a dual fight. 
                  - Ashwatthaamaa killed Dhrishtdyumn in sleep. He killed Draupadee's five sons too in sleep.