It means stop American aggression in the area since before WW II
Here is one list:
1937 Haifa Massacre
1937 Jerusalem Massacre
1937 Haifa Massacre
1936 Balad al-Sheikh Massacre
9 April 1948: Deir Yassin Massacre
The massacre was committed by the Zionist militia groups. Some victims were found maimed, raped, and then killed. Entire families were murdered. Masses of men were put in trucks to be paraded across Jerusalem before being taken to a quarry to be killed. This triggered a mass exodus of Palestinians from their homes and lands, not only in and around Jerusalem but also further afield.
13-14 May 1948: Abu Shusha Massacre
Abu Shusha was subjected to multiple assaults, culminating in the decisive attack and fell to occupation on 14 May. The remaining inhabitants were forcibly displaced on 21 May.
15 May 1948 – 10 March 1949: Arab-Israeli War
May 1948: Tantura Massacre
The village surrendered to Israeli forces. IOF launched an assault on the village, resulting in the massacre of nearly 200 Palestinians. Three possible mass graves have since been found.
11 July 1948: Lydda Massacre
Lydda and Ramle, two towns originally designated to be part of an Arab state in Palestine as per the UN Partition Plan of 1947, ultimately came under Israeli control. While estimates of the death toll vary, it is believed that over 400 Lydda residents lost their lives. Unfortunately, the tragedy did not conclude with the massacre. Israel made the decision to forcibly remove all residents from the city.
October 1948: Saliha Massacre & Al-Dawayima Massacre
Al-Dawayima was one of the largest villages in the Hebron area, and the subsequent massacre unfolded in three distinct stages: first in homes and alleyways, followed by the village mosque, and ultimately within a cave. A total of 455 individuals lost their lives, consisting of 280 men and the rest women and children.
October 1953: Qibya Massacre
IOF massacred over 69 Palestinian villagers, with approximately two-thirds of the victims being women and children. The attack also resulted in the destruction of 45 houses, a school, and a mosque.
October 1956: Kafr Qasim Massacre
Israel imposed a curfew on the Arab villages that bordered Jordan. When villagers returned after curfew they were fired on at close range. In one hour they killed 49 residents of the village.
November 1956: Khan Yunis Massacre
IOF soldiers conducted a brutal house-to-house search for fedayeen, leading to the estimated loss of 275 to 400 Palestinian lives. A mass grave was uncovered, revealing the remains of 40 Palestinian men who had been bound and executed.
Sept 1982: Sabra & Shatila Massacres
The IOF surrounded Palestinian refugee camps in West Beirut. They authorised the right-wing Cchristian Phalangist militia to enter. The militia massacred nearly 3000 Palestinian refugees and Lebanese civilians in two days of violence.
October 1990: Al-Aqsa Massacre/Black Monday
Israeli security forces were responsible for the deaths of 17 Palestinians, and more than 150 Palestinians suffered injuries.
Feb 1994: The Ibrahimi Mosque Massacre
During Ramadan, an American-Israeli Zionist extremist opened fire on Palestinian Muslims who were in prayer at the Ibrahimi Mosque in Hebron. This resulted in the deaths of 29 people, some as young as 12 years old, and left 125 others wounded.
April 2002: Jenin Refugee Camp
During the Second Intifada, IOF launched a military operation in the Jenin Refugee Camp situated in the West Bank. Israel deployed infantry, commando forces, assault helicopters, tanks, and bulldozers, resulting in the tragic loss of at least 54 Palestinian lives.
2008-09: The Gaza Massacre
Israel initiated a large-scale military campaign in the Gaza Strip on 27 December 2008. On 3 January 2009, the Israeli ground invasion was launched, resulting in the estimated deaths of 1,166 to 1,417 Palestinians.
2012: Assassinations of Hamas leaders in Gaza
Israel assassinated a series of Hamas leaders. In response, Gazan factions launched numerous projectiles into Israel. Israeli attacks intensified, murdering 165 Palestinians, including 42 children, and injuring 1,220 Palestinians, including 430 children.
2014: The Gaza War
This marked the third major military confrontation between Israel and Hamas since Hamas assumed control of the Gaza Strip in 2007. Israel then launched a ground invasion into Gaza, resulting in the loss of 2,205 Palestinian lives.
2018-19: Great March of Return
The Gaza border protests were a series of peaceful demonstrations. Over the course of these protests, IOF were responsible for the loss of 223 Palestinian lives, while more than 13,000 Palestinians sustained injuries, the majority of which were severe.
2021: Al Aqsa Mosque Attack
In response to protests by Palestinians in East Jerusalem, the Israeli police forcefully entered the Al-Aqsa Mosque compound, injuring over 600. Hamas responded with a multitude of rockets. Israel’s airstrikes killed 260 Palestinians, half of them children and 1948 were injured, including 610 children and 400 women.