Spain's government has released dozens of documents related to an attempted coup that took place 45 years ago - regarded as a key moment in the country's history.
On 23 February 1981, a group of officers burst into the main chamber of the national parliament, wielding guns and threatening the politicians as a new government was being sworn in. Their aim was to return authoritarianism - six years after the death of the country's dictator Francisco Franco.
Their efforts failed when King Juan Carlos refused to support them.
However, conspiracy theories have abounded since, including that the king may have had prior knowledge of the coup - or even that he may have been actively involved in it.
The release of the 153 classified files generated enormous expectation - so much so that the government webpage where the documents were to be posted collapsed temporarily.
