Complex sentence: By 1922, the song became so well-known and loved throughout Iceland that, in recognition of this, the Althing endowed Sveinbjörnsson with a state pension; he was the first composer in the country to be conferred such an honour.
Split into simpler sentences: By 1922, the song became so well-known and loved throughout Iceland that, in recognition of this, the Althing endowed Sveinbjörnsson with a state pension. He was the first composer in the country to be conferred such an honour.