Add spaces: Thatiswhydatashouldbepubliclyavailable.

Answer: That is why data should be publicly available.

Add spaces: Itturnedouthappilyontheday,thattheclubhadbroughtitallinbestorder.

Answer: It turned out happily on the day, that the club had brought it all in best order.

Add spaces: FrederickIVboughtthemarblefigureonhistriptoItalyin1709.

Answer:
Frederick IV bought the marble figure on his trip to Italy in 1709.