// 1998 — JavaScript
document.write("Hello World!<br>");
      

// 1998 — C++
#include <iostream>
using namespace std;
int main() {
  cout << "Hello World!\n";
  return 0;
}
      

-- 1998 — SQL
SELECT "Hello World\n";
      

# 1999 Maple
"Hello World!";
      

# 1999 - PHP
<?php echo 'Hello World!' ?>
      

# 2000 - Perl
print "Hello, World!\n";
      

; 2000 - LISP
(format t "Hello, World!~%"))
      

/* 2001 — C */
#include <stdio.h>  
int main(void){
  printf("Hello World!\n);
  return 0;
}
      

// 2015 - NodeJS
console.info('Hello World!');
      

# 2019 - Z Shell (AKA Zsh)
print Hello, World!
      

# 2020 - PowerShell
Write-Host 'Hello, World!'