The 42 month Wrath of God and the Lamb happened from 67 AD to the fall of Jerusalem in 70 AD. Do the math. This from Wikipedia discusses several of the horns and what they did:
The experienced and unassuming general Vespasian was then tasked with crushing the rebellion in Judaea province. His son Titus was appointed second-in-command. Vespasian was given four legions and assisted by forces of King Agrippa II. In 67 CE he invaded Galilee. While avoiding a direct attack on the reinforced city of Jerusalem which was packed with the main rebel force, Titus' forces launched a persistent campaign to eradicate rebel strongholds and punish the population. Within several months Vespasian and Titus took over the major Jewish strongholds of Galilee and finally overran Jotapata under command of Yosef ben Matitiyahu, following a 47-day siege. Meantime in Jerusalem, an attempt by Sicarii leader Menahem to take control of the city failed, resulting in his execution. A peasant leader Simon Bar-Giora was ousted from the city by the new moderate Judean government and Ananus ben Ananus began reinforcing the city.
Driven from Galilee, Zealot rebels and thousands of refugees arrived in Judea, creating political turmoil in Jerusalem. Zealots were at first sealed in the Temple compound. However, confrontation between the mainly Sadducee Jerusalemites and the mainly Zealot factions of the Northern Revolt under the command of John of Giscala and Eleazar ben Simon became evident. With Edomites entering the city and fighting on the side of the Zealots, Ananus ben Ananus was killed and his forces suffered severe casualties. Simon Bar Giora, commanding 15,000 troops, was then invited into Jerusalem by the Sadducee leaders to stand against the Zealots, and quickly took control over much of the city. Bitter infighting between factions of Bar Giora, John and Elazar followed through the year 69 CE
The experienced and unassuming general Vespasian was then tasked with crushing the rebellion in Judaea province. His son Titus was appointed second-in-command. Vespasian was given four legions and assisted by forces of King Agrippa II. In 67 CE he invaded Galilee. While avoiding a direct attack on the reinforced city of Jerusalem which was packed with the main rebel force, Titus' forces launched a persistent campaign to eradicate rebel strongholds and punish the population. Within several months Vespasian and Titus took over the major Jewish strongholds of Galilee and finally overran Jotapata under command of Yosef ben Matitiyahu, following a 47-day siege. Meantime in Jerusalem, an attempt by Sicarii leader Menahem to take control of the city failed, resulting in his execution. A peasant leader Simon Bar-Giora was ousted from the city by the new moderate Judean government and Ananus ben Ananus began reinforcing the city.
Driven from Galilee, Zealot rebels and thousands of refugees arrived in Judea, creating political turmoil in Jerusalem. Zealots were at first sealed in the Temple compound. However, confrontation between the mainly Sadducee Jerusalemites and the mainly Zealot factions of the Northern Revolt under the command of John of Giscala and Eleazar ben Simon became evident. With Edomites entering the city and fighting on the side of the Zealots, Ananus ben Ananus was killed and his forces suffered severe casualties. Simon Bar Giora, commanding 15,000 troops, was then invited into Jerusalem by the Sadducee leaders to stand against the Zealots, and quickly took control over much of the city. Bitter infighting between factions of Bar Giora, John and Elazar followed through the year 69 CE