What happened 1921AD in undefined

Akio Morita was born on January 26, 1921, in Nagoya, Aichi, Japan.

On 1 February, the first execution under martial law of an IRA man took place. Cornelius Murphy of Millstreet, Cork was shot in Cork city.

On 6 February 1921, Dalí's mother died of uterus cancer.

on 11 March, Dáil Éireann President Éamon de Valera called for acceptance of a "state of war with England". The Dail voted unanimously to empower him to declare war whenever he saw fit, but he did not formally do so.

On 15 March 1921, former Grand Vizier Talaat Pasha was assassinated in the Charlottenburg District of Berlin, Germany, in broad daylight and in the presence of many witnesses.

On 19 March 1921, Tom Barry's 100-strong West Cork IRA unit fought an action against 1,200 British troops – the Crossbarry Ambush. Barry's men narrowly avoided being trapped by converging British columns and inflicted between ten and thirty killed on the British side.

On 21 March, the Kerry IRA attacked a train at the Headford junction near Killarney.

Einstein visited New York City for the first time on 2 April 1921, where he received an official welcome by Mayor John Francis Hylan, followed by three weeks of lectures and receptions.

De Gaulle married Yvonne Vendroux on 7 April 1921 in Église Notre-Dame de Calais.

A general election for the Parliament of Southern Ireland was held on 13 May. Sinn Féin won 124 of the new parliament's 128 seats unopposed, but its elected members refused to take their seats.

The failure of the British efforts to put down the guerrillas was illustrated by the events of "Black Whitsun" on 13–15 May 1921.

The biggest single loss for the IRA, however, came in Dublin. On 25 May 1921, several hundred IRA men from the Dublin Brigade occupied and burned the Custom House (the center of local government in Ireland) in Dublin city center. Symbolically, this was intended to show that British rule in Ireland was untenable. However, from a military point of view, it was a heavy defeat in which five IRA men were killed and over eighty captured.

On 6 June 1921, the British made their first conciliatory gesture, calling off the policy of house burnings as reprisals. On the other side, IRA leaders and in particular Michael Collins, felt that the IRA as it was then organized could not continue indefinitely. It had been hard-pressed by the deployment of more regular British soldiers to Ireland and by the lack of arms and ammunition.

Prince Philip of Greece and Denmark was born in Mon Repos on the Greek island of Corfu on 10 June 1921, the only son and fifth and last child of Prince Andrew of Greece and Denmark and Princess Alice of Battenberg. A member of the House of Glücksburg, the ruling house of Denmark, he was a prince of both Greece and Denmark by virtue of his patrilineal descent from George I of Greece and Christian IX of Denmark, and he was from birth in the line of succession to both thrones.

On 24 June 1921, the British Coalition Government's Cabinet decided to propose talks with the leader of Sinn Féin. Coalition Liberals and Unionists agreed that an offer to negotiate would strengthen the Government's position if Sinn Féin refused.

Seizing the momentum, Lloyd George wrote to Éamon de Valera as "the chosen leader of the great majority in Southern Ireland" on 24 June, suggesting a conference.

In June, Churchill's mother died, followed in August by his daughter Marigold.

On 10 July 1921, the IRA ambushed British forces in Raglan street in Belfast.

Hitler was in Munich on 11 July and angrily tendered his resignation. The committee members realised that the resignation of their leading public figure and speaker would mean the end of the party.

While the fighting in the south was largely ended by the Truce on 11 July 1921, in the north killings continued and actually escalated until the summer of 1922.

The war of independence in Ireland ended with a truce on 11 July 1921.

The Communist Party of China was founded by Chen Duxiu and Li Dazhao in the French concession of Shanghai in 1921 as a study society and informal network. Mao set up a Changsha branch, also establishing a branch of the Socialist Youth Corps.

it was decided to hold a central meeting, which began in Shanghai on July 23, 1921. The first session of the National Congress of the Communist Party of China was attended by 13 delegates, Mao included.After the authorities sent a police spy to the congress, the delegates moved to a boat on South Lake near Jiaxing, in Zhejiang, to escape detection.

On 24 July 1921, the poorly commanded and overextended Spanish Army suffered a crushing defeat at Annual from Rif tribesmen led by the Abd el-Krim brothers.

Hitler announced he would rejoin on the condition that he would replace Drexler as party chairman, and that the party headquarters would remain in Munich. The committee agreed, and he rejoined the party on 26 July as member 3,680. Hitler continued to face some opposition within the NSDAP: Opponents of Hitler in the leadership had Hermann Esser expelled from the party, and they printed 3,000 copies of a pamphlet attacking Hitler as a traitor to the party.

Hitler spoke to several packed houses and defended himself and Esser, to thunderous applause. His strategy proved successful, and at a special party congress on 29 July, he was granted absolute powers as party chairman, replacing Drexler, by a vote of 533 to 1

After the assassination of Milorad Drašković, the Yugoslav Minister of the Interior, by a young communist named Alija Alijagić on 2 August 1921, the CPY was declared illegal under the Yugoslav State Security Act of 1921.

Shortly after Philip's birth, his maternal grandfather Prince Louis of Battenberg, then known as Louis Mountbatten, Marquess of Milford Haven, died in London. Louis was a naturalized British subject who, after a career in the Royal Navy, had renounced his German titles and adopted the surname Mountbatten—an Anglicised version of Battenberg—during the First World War, owing to anti-German sentiment in Britain. After visiting London for his grandfather's memorial service, Philip and his mother returned to Greece, where Prince Andrew had remained to command a Greek Army division embroiled in the Greco-Turkish War.

In 1921, Wong received her first screen credit for Bits of Life, the first anthology film, in which she played the wife of Lon Chaney's character, Toy Ling, in a segment entitled "Hop".

Hirohito became Regent of Japan (Sesshō) on 29 November 1921, in place of his ailing father who was affected by a mental illness.

The Peace talks led to the negotiation of the Anglo-Irish Treaty (6 December 1921).