Barack Obama took office as the first African-American president of the United States of America in January 2009.
Barack Obama was the 44th president of the US. After a four-year term, he was re-elected in 2012. In 2009, the same year he took office, he received the Nobel Peace Prize. DW covered Obama's election campaigns and the main issues related to his presidency at home and abroad. This is a collection of DW's content on the former president.
Angela Merkel has been German chancellor for 15 years; Donald Trump is her third US president. When meeting him, Merkel has often seemed tense. If Joe Biden wins the presidency, we could see more harmonious pictures.