fecharon
-they dated
The word fecharon is the preterite form of fechar in the third person plural.
See the full fechar conjugation

fechar

¿Sería posible que los escribas en Egipto también cometieran el mismo error? ¿Igualmente los astrónomos babilónicos debieron haber cometido el mismo error cuando fecharon sus tablillas cuneiformes?
Is it really likely that the Scribes in Egypt made the same mistake as well? Also the Babylonian astronomers must have made the same mistake when dating their cuneiform tablets?
Las partes del plan de la ciudad fecharon a 5. y a 4. Siglos B.C.
The parts of the city plan dated to 5. and 4. Centuries B.C.
Las obras realizadas en el marco del proyecto se pagaron en parte con cuatro pagarés, dos de los cuales se fecharon el 1º de enero de 1988 y los otros dos el 30 de junio de 1988 y el 30 de junio de 1989.
Part of the payment for work on the project was in the form of four promissory notes, two of which were dated 1 January 1988 and two others which were dated 30 June 1988 and 30 June 1989.
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