Q: This task involves creating answers to complex questions, from a given passage. Answering these questions, typically involve understanding multiple sentences. Make sure that your answer has the same type as the "answer type" mentioned in input. The provided "answer type" can be of any of the following types: "span", "date", "number". A "span" answer is a continuous phrase taken directly from the passage or question. You can directly copy-paste the text from the passage or the question for span type answers. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words. A "number" type answer can include a digit specifying an actual value. For "date" type answers, use DD MM YYYY format e.g. 11 Jan 1992. If full date is not available in the passage you can write partial date such as 1992 or Jan 1992. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words.
Passage: With Spain's transition to democracy following Franco's death, celebration of the comuneros started to become permissible again. On April 23, 1976, a small ceremony was held clandestinely in Villalar; only two years later, in 1978, the event had become a huge demonstration of 200,000 in support of Castilian autonomy. The autonomous community of Castile and Leon was created in response to public demand in 1983, and it recognized April 23 as an official holiday in 1986. Similarly, each February 3 since 1988 has been celebrated by the Castilian nationalist party Tierra Comunera in Toledo. The celebration highlights the roles of Juan de Padilla and Maria Pacheco, and is done in memory of the rebellion in 1522, the last event of the war.
Question: How many years after a small ceremony was held clandestinely was it recognized as an official holiday?
Answer type: Number
A:
10.