On This Day - What happened 21 March

In the first encounter between the two commanders, Napoleon pushed back his opponent and advanced deep into Austrian territory after winning at the Battle of Tarvis in March 1797.

On March 21, the King proceeded through the streets of Berlin to attend a mass funeral at the Friedrichshain cemetery for the civilian victims of the uprising. He and his ministers and generals wore the revolutionary tricolor of black, red, and gold. Polish prisoners, who had been jailed for planning a rebellion in formerly Polish territories now ruled by Prussia, were liberated and paraded through the city to the acclaim of the people.

The Republican Party was founded in 1854 by opponents of the Kansas–Nebraska Act, which allowed for the potential expansion of slavery into the western territories.

Ludendorff drew up plans (code named Operation Michael) for the 1918 offensive on the Western Front. The Spring Offensive sought to divide the British and French forces with a series of feints and advances. The German leadership hoped to end the war before significant US forces arrived. The operation commenced on 21 March 1918 with an attack on British forces near Saint-Quentin. German forces achieved an unprecedented advance of 60 kilometers (37 mi).

On 21 March, Béla Kun led a successful communist coup d'état. Károlyi was deposed and arrested. Kun formed a social democratic, communist coalition government and proclaimed the Hungarian Soviet Republic. Days later the Communists purged the Social Democrats from the government.

On 21 March 1919, Romanian troops of the 39th Regiment occupied Tiraspol.

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

On 21 March 1933, the new Reichstag was constituted with an opening ceremony at the Garrison Church in Potsdam. This "Day of Potsdam" was held to demonstrate unity between the Nazi movement and the old Prussian elite and military. Hitler appeared in a morning coat and humbly greeted Hindenburg.

Goebbels' first productions were staging the Day of Potsdam, a ceremonial passing of power from Hindenburg to Hitler, held in Potsdam on 21 March.

The first occurrence was probably at the National Assembly on March 21, 1947, when the communist deputes refused to back the military credits for Indochina.

The Battle of Hill Eerie refers to several Korean War engagements between the United Nations Command (UN) forces and the Chinese People's Volunteer Army (PVA) in 1952 at Hill Eerie, a military outpost about 10 miles (16 km) west of Ch'orwon. It was taken several times by both sides; each sabotaging the others' position.

Bolsonaro was born on 21 March 1955 in the town of Glicério, in São Paulo.

The idea (Mother's Day) was first ridiculed by president Gamal Abdel Nasser but he eventually accepted it and Mother's Day was first celebrated on 21 March 1956.

Because the penitentiary cost much more to operate than other prisons (nearly $10 per prisoner per day, as opposed to $3 per prisoner per day at Atlanta), and half a century of saltwater saturation had severely eroded the buildings, then-Attorney General Robert F. Kennedy ordered the penitentiary closed on March 21, 1963.

Ronaldo de Assis Moreira was born 21 March 1980 in the city of Porto Alegre, the state capital of Rio Grande do Sul, Brazil.

Iran's next major offensive, led by then Colonel Ali Sayad Shirazi , was Operation Fath-ol-Mobeen (Undeniable Victory). On 22 March 1982, Iran launched an attack which took the Iraqi forces by surprise: using Chinook helicopters, they landed behind Iraqi lines, silenced their artillery, and captured an Iraqi headquarters. The Iranian Basij then launched "human wave" attacks, consisting of 1,000 fighters per wave. Though they took heavy losses, they eventually broke through Iraqi lines. Operation Undeniable Victory was an Iranian victory; Iraqi forces were driven away from Shush, Dezful and Ahvaz. The Iranian armed forces destroyed 320–400 Iraqi tanks and armored vehicles in a costly success.

Saddam responded by launching chemical attacks against the Iranian positions along the highway and by initiating the second "war of the cities", with an air and missile campaign against twenty to thirty Iranian population centers, including Tehran.

Steven has won his first Academy Award for the category of Best Director in 1994 For the movie Schindler's List.

Dion was asked to perform "The Power of the Dream" at the opening ceremony of the 1996 Atlanta Olympic Games.

Steven has won his second Academy Award for the category of Best Director in 1999 For the movie Saving Private Ryan.

Bernard died in Paris on 21 March 2006.

On April 21, 2016 the agreement was amended in response to the feedback of European Commission.

On 21 March 2019, May presented her case to a European Council summit meeting in Brussels. After May left the meeting, a discussion amongst the remaining EU leaders resulted in the rejection of 30 June date and offered instead a choice of two new alternative Brexit dates.

On 21 March, it was reported that at least 2,355 people were hospitalized in intensive care (942 in the Community of Madrid) and more than 350,000 tests for COVID-19 had been conducted.

The Dutch governor-general of Suriname, Jan Jacob Mauricius, passed away at the age of 75.