Catch dates from website

 Try below script and it will work more most country Like USA,INDIA,germany but it will not work for albania.

$uri = 'http://www.officeholidays.com/countries/usa/index.php'
$html = Invoke-WebRequest -Uri $uri
$tables = $html.ParsedHtml.getElementsByTagName('tr') |
Where-Object {$_.classname -eq 'holiday' -or $_.classname -eq 'regional' } |
Select-Object -exp innerHTML
foreach ($table In $tables){ 
$day= (($table -split "<TD>")[1] -split "</TD>")[0] ;

$Date = (($table -split "<SPAN class=ad_head_728>")[1] -split "</SPAN>")[0]; 

$Holiday = ((($table -split "<TD><A title=")[1] -split ">")[1] -split "</A")[0]
$Remarks = (($table -split "class=remarks>")[1] -split "<")[0]; 
[PSCustomObject]@{
        Date = $Date  ; Holiday = $Holiday
        Remarks = If ($Holiday -ne $Remarks){$Remarks}}

 }