answers: nineteen
context: to rampant Manchester City 3-0. Arsenal would then go on their worst losing streak since 2002, losing four consecutive games in all competitions. The club also lost five out of seven league games by March 2018, scoring 12, and conceding 15. When factoring in all competitions, the club conceded an additional two, while registering only one more. This meant Arsenal conceded, on average, over twice a game. 13 May 2018, Arsene Wenger quit Arsenal. History of Arsenal F.C. (1966–present) The history of Arsenal Football Club from 1966 to the present day covers the third, fourth, and fifth periods of success </s> and fitness practices, and efficiency with money have defined his reign. Accumulating key players from Wenger's homeland, such as Patrick Vieira and Thierry Henry, Arsenal won a second League and Cup double in 1997–98 and a third in 2001–02. In addition, the club reached the final of the 1999–2000 UEFA Cup, were victorious in the 2003 and 2005 FA Cups, and won the Premier League in 2003–04 without losing a single match, an achievement which earned the side the nickname "The Invincibles". This latter feat came within a run of 49 league matches unbeaten from 7 May 2003 to 24 </s> the opportunity to play in the European Cup. Between 1998–99 and 2016–17, Arsenal qualified in nineteen successive UEFA Champions League seasons, an English football record, and is only surpassed in Europe by Real Madrid. French striker Thierry Henry holds the club record for most appearances with 89, and is the club's record goalscorer in European competitions with 42 goals. Arsenal's biggest winning margin in Europe is a 7–0 scoreline, a feat achieved twice: firstly away at Standard Liège, during their successful Cup Winners' Cup campaign, and secondly at home against Slavia Prague, for the 2007–08 UEFA Champions League. Arsenal hold
question: how many years were arsenal in the champions league