[4] In March 2023, Algerian President Abdelmadjid Tebboune stated that the relations between two countries had reached a "point of no return due to Morocco's continued provocation of Algeria".

During this period, King Mohammed also refused to negotiate with France over the precise outline of Morocco's border with Algeria in the Sahara Desert that had not yet been demarcated earlier in 1844 or with the Varnier Line in 1912.

[7] This was further complicated by the popularity of reinstating the border of Greater Morocco among Moroccan politicians among whom Allal El Fassi, then president of the Istiqlal Party.

On 23 January 1961 King Hassan II of Morocco reported that the Moroccan-Algerian commission at the ministerial level finalized a structure for a United Arab Maghreb.

[10] The day of the official ceasefire to the Sand War on 1 November, Algerian President Ben Bella demanded the evacuation of Moroccan armed forces from Hassi-Beida and Tindjoub.

[11] The Treaty of Ifrane, signed in January 1969, between Algerian President Houari Boumediene and Hassan's government, is a significant historical agreement that has shaped the relationship between Algeria and Morocco.

[12] It represents a pivotal moment in the diplomatic history of the two North African nations, as it aimed to address long-standing territorial and border disputes between them.

[citation needed] The Treaty of Ifrane sought to establish a framework for peaceful coexistence, cooperation, and the resolution of conflicts between Algeria and Morocco.

[14] Signed by the respective heads of state and witnessed by international mediators, the Treaty of Ifrane symbolizes the commitment of Algeria and Morocco to resolving their differences through peaceful means and building a foundation for mutually beneficial relations.

Since its signing, the treaty has played a crucial role in shaping diplomatic negotiations, fostering dialogue, and facilitating cooperation on various regional issues.

[15] While the Treaty of Ifrane has faced challenges and periodic tensions have persisted, its significance lies in providing a framework for diplomatic engagement and conflict resolution between Algeria and Morocco.

After Spain announced its intention to abandon the territory in 1975, relations between Morocco and Algeria, both of which had previously presented a united front, disintegrated.

This agreement violated a United Nations (UN) resolution that declared all historical claims by Mauritania or Morocco to be insufficient to justify territorial absorption and drew heavy criticism from Algeria.

Algeria recognized this new self-proclaimed state in 1976, and has since pursued a determined diplomatic effort for international recognition of the territory; it has also supplied food, materials, and training to the guerrillas.

[21] In 1999, the newly elected Algerian president Abdelaziz Bouteflika attended Hassan II of Morocco's funeral, and declared three days of official mourning in Algeria.

[23] In July 2004, King Mohammed VI abolished visa requirements for Algerians entering Morocco; in April 2006, President Bouteflika reciprocated the gesture.

[26][27] Amid the deterioration of relations with Morocco, Algeria decided not to renew the contract of the Maghreb–Europe Gas Pipeline (GME), which expired at midnight on 31 October 2021.

[39] In July 2021, Amnesty International and Forbidden Stories reported that Morocco had targeted more than 6,000 Algerian phones, including those of politicians and high-ranking military officials, with the Israeli Pegasus spyware.