In the spring of 1986, Haring had his first solo museum exhibition at the Stedelijk Museum in Amsterdam, where he also painted a mural. In June 1986, he created the banner "CityKids Speak on Liberty" in conjunction with The CityKids Foundation to commemorate the centennial anniversary of the Statue of Liberty’s arrival in the United States. In October 1986, Haring created a mural on the Berlin Wall for the Checkpoint Charlie Museum. The mural was 300 meters long and depicted red and black interlocking human figures against a yellow background. The colors were a representation of the German flag and symbolized the hope of unity between East and West Germany. That year, Haring also created public murals in the lobby and ambulatory care department of Woodhull Medical and Mental Health Center on Flushing Avenue, Brooklyn.