Goya's painting 'The Third of May 1808' was censored by the Spanish government due to its graphic depiction of the execution of Spanish civilians by French soldiers during the Peninsular War.

The International Surrealist Exhibition was a groundbreaking exhibition that showcased the works of surrealist artists and challenged conventional notions of art and reality.

Kandinsky's abstract paintings were among the many works of modern art that were deemed degenerate by the Nazi regime and were banned from public display.

Mapplethorpe's photograph 'The Kiss' was deemed obscene by authorities due to its depiction of two men kissing, leading to his arrest and trial.

Malevich's avant-garde paintings, particularly his 'Black Square,' were criticized by the Soviet authorities for their abstract and non-representational style.

The Sensation exhibition sparked controversy due to its inclusion of works that were considered shocking and offensive, such as Ofili's painting 'The Holy Virgin Mary' which incorporated elephant dung.

Ai Weiwei's art installations and performances have often been censored by the Chinese government due to their critical examination of social and political issues.

The Chapman Brothers' exhibition showcased their provocative and often grotesque sculptures, which generated controversy and debate among critics and the public.

Serrano's photograph 'Piss Christ,' which depicted a crucifix submerged in urine, was deemed blasphemous and was censored in several exhibitions and galleries.

The Perfect Moment exhibition showcased works that explored themes of sexuality, identity, and AIDS, and sparked controversy due to its provocative content.

Kandinsky's abstract paintings were criticized by the Soviet authorities for their lack of realism and their perceived bourgeois influences.

The Sensation exhibition sparked controversy due to its inclusion of works that were considered shocking and offensive, such as Hirst's installation 'The Physical Impossibility of Death in the Mind of Someone Living'.

Holzer's public art installations and text-based works often addressed political and social issues, leading to censorship and controversy in some cases.

The Perfect Moment exhibition showcased works that explored themes of race, identity, and representation, and sparked controversy due to its provocative content.

Ai Weiwei's art installations and performances have often been censored by the Chinese government due to their critical examination of political leaders and social issues.